Canada: Ontario
Province
The population of Ontario by census years.
| Name | Status | Population Census 2001-05-15 | Population Census 2006-05-16 | Population Census 2011-05-10 | Population Census 2016-05-10 | Population Census 2021-05-11 | |
|---|---|---|---|---|---|---|---|
| Ontario | Province | 11,410,046 | 12,160,282 | 12,851,821 | 13,448,494 | 14,223,945 |
Contents: Urban Areas and Population Centers
The population of the urban areas and population centers in Ontario by census years.
| Name | Status | Population Census 2001-05-15 | Population Census 2006-05-16 | Population Census 2011-05-10 | Population Census 2016-05-10 | Population Census 2021-05-11 | |
|---|---|---|---|---|---|---|---|
| Acton | Small Population Center | ... | 10,172 | 9,506 | 9,462 | 9,377 | → |
| Alexandria | Small Population Center | ... | ... | 2,924 | 2,845 | 2,906 | → |
| Alfred | Small Population Center | ... | ... | 1,035 | 1,185 | 1,086 | → |
| Alliston | Small Population Center | 11,093 | 12,523 | 15,343 | 19,092 | 23,253 | → |
| Almonte | Small Population Center | ... | ... | ... | 5,536 | 6,098 | → |
| Amherstburg | Small Population Center | 12,804 | 13,499 | 13,724 | 14,003 | 15,177 | → |
| Amigo Beach | Small Population Center | ... | ... | 1,390 | 1,598 | 1,924 | → |
| Angus - Borden CFB-BFC | Small Population Center | ... | ... | 10,132 | 12,561 | 14,503 | → |
| Arnprior | Small Population Center | 9,100 | 9,076 | 9,892 | 10,426 | 11,305 | → |
| Arthur | Small Population Center | ... | ... | ... | 2,556 | 2,628 | → |
| Atikokan | Small Population Center | ... | ... | 1,943 | 1,965 | 1,929 | → |
| Attawapiskat 91A | Small Population Center | 1,293 | ... | ... | 1,501 | 1,586 | → |
| Aylmer | Small Population Center | 7,254 | 7,163 | 7,249 | 7,753 | 7,975 | → |
| Ayr | Small Population Center | ... | ... | ... | 4,858 | 5,383 | → |
| Azilda | Small Population Center | ... | ... | 3,996 | 4,716 | 4,793 | → |
| Ballantrae | Small Population Center | ... | ... | 2,994 | 3,223 | 3,224 | → |
| Barrie | Urban Area | ... | ... | 140,383 | 146,394 | 154,676 | → |
| Barry's Bay | Small Population Center | 1,259 | 1,265 | 1,241 | 1,259 | 1,084 | → |
| Bath | Small Population Center | ... | ... | ... | 1,670 | 1,825 | → |
| Bayfield | Small Population Center | ... | ... | ... | 1,235 | 1,394 | → |
| Beamsville | Small Population Center | 9,047 | 9,703 | 10,655 | 11,869 | 13,323 | → |
| Beaverton | Small Population Center | 3,065 | 2,970 | 2,792 | 2,822 | 3,347 | → |
| Beeton | Small Population Center | 3,822 | 3,887 | 3,730 | 3,891 | 4,151 | → |
| Belleville | Population Center | 61,886 | 64,310 | 66,331 | 68,859 | 75,052 | → |
| Belmont | Small Population Center | ... | ... | 1,026 | 1,140 | 1,275 | → |
| Big Bay Point | Small Population Center | ... | ... | ... | 844 | 1,670 | → |
| Binbrook | Small Population Center | ... | ... | 4,926 | 8,794 | 10,791 | → |
| Blenheim | Small Population Center | 4,795 | 4,549 | 4,595 | 4,344 | 4,487 | → |
| Blind River | Small Population Center | 2,808 | 2,659 | 2,426 | 2,284 | 2,174 | → |
| Bobcaygeon | Small Population Center | 2,854 | 3,313 | 3,508 | 3,525 | 3,576 | → |
| Bolton | Small Population Center | ... | 26,232 | 27,108 | 26,378 | 26,795 | → |
| Bourget | Small Population Center | ... | ... | 1,080 | 1,169 | 1,175 | → |
| Bowmanville - Newcastle | Population Center | 32,777 | 38,265 | 43,385 | 48,929 | 56,742 | → |
| Bracebridge | Small Population Center | 7,951 | 8,847 | 9,030 | 9,232 | 9,884 | → |
| Bradford | Population Center | 17,070 | 19,212 | 23,024 | 30,765 | 38,128 | → |
| Brantford | Urban Area | 86,417 | 90,192 | 94,269 | 98,250 | 104,413 | → |
| Bridgenorth - Chemong Park Area | Small Population Center | ... | ... | 2,934 | 2,950 | 3,072 | → |
| Brighton | Small Population Center | ... | ... | 5,267 | 5,879 | 5,847 | → |
| Brockville | Small Population Center | 23,024 | 23,620 | 22,286 | 21,854 | 22,293 | → |
| Burford | Small Population Center | ... | ... | ... | 792 | 1,058 | → |
| Caledon | Small Population Center | 1,651 | 1,580 | 1,572 | 1,482 | 1,466 | → |
| Caledon East | Small Population Center | ... | ... | 2,706 | 4,282 | 4,568 | → |
| Caledonia | Small Population Center | 9,228 | 10,150 | 9,871 | 9,833 | 12,179 | → |
| Campbellford | Small Population Center | 3,512 | 3,183 | 3,483 | 3,473 | 3,372 | → |
| Cannington | Small Population Center | ... | ... | 1,808 | 1,845 | 1,839 | → |
| Capreol | Small Population Center | ... | ... | 2,875 | 2,920 | 2,919 | → |
| Cardinal | Small Population Center | ... | ... | 1,789 | 1,717 | 1,770 | → |
| Carleton Place | Small Population Center | ... | ... | 10,829 | 11,970 | 13,940 | → |
| Carlisle | Small Population Center | ... | ... | 1,879 | 1,869 | 1,858 | → |
| Carp | Small Population Center | ... | ... | ... | 1,290 | 1,477 | → |
| Casselman | Small Population Center | 2,910 | 3,280 | 3,642 | 3,563 | 3,970 | → |
| Cayuga | Small Population Center | 1,643 | 1,575 | 1,622 | 1,713 | 1,720 | → |
| Chalk River | Small Population Center | ... | ... | 973 | 1,044 | 1,061 | → |
| Chapleau | Small Population Center | ... | ... | 1,226 | 1,170 | 1,144 | → |
| Chatham | Population Center | 44,156 | 45,783 | 44,676 | 43,550 | 45,171 | → |
| Chelmsford | Small Population Center | ... | ... | 5,861 | 6,220 | 6,199 | → |
| Chesley | Small Population Center | ... | ... | 1,895 | 1,843 | 1,879 | → |
| Chesterville | Small Population Center | 1,498 | 1,528 | 1,448 | 1,677 | 1,564 | → |
| Chippawa | Small Population Center | ... | ... | 5,246 | 5,620 | 6,077 | → |
| Claremont | Small Population Center | ... | ... | 1,175 | 1,202 | 1,215 | → |
| Clinton | Small Population Center | 3,117 | 3,082 | 2,979 | 3,049 | 3,113 | → |
| Cobourg | Small Population Center | 17,172 | 18,210 | 18,088 | 19,031 | 19,830 | → |
| Cochrane | Small Population Center | ... | ... | 3,709 | 3,669 | 3,774 | → |
| Colborne | Small Population Center | ... | ... | 1,405 | 1,577 | 1,474 | → |
| Colchester | Small Population Center | ... | 2,811 | 2,104 | 2,229 | 2,334 | → |
| Collingwood | Small Population Center | 15,605 | 15,964 | 17,986 | 20,213 | 22,983 | → |
| Coniston | Small Population Center | ... | ... | 1,857 | 1,814 | 1,782 | → |
| Constance Bay | Small Population Center | 2,327 | 2,402 | 2,364 | 2,314 | 2,263 | → |
| Cookstown | Small Population Center | ... | ... | 975 | 1,214 | 1,647 | → |
| Cornwall | Population Center | ... | ... | 45,508 | 46,114 | 47,286 | → |
| Corunna | Small Population Center | ... | ... | 5,892 | 5,822 | 6,266 | → |
| Craigleith and Swiss Meadows | Small Population Center | ... | ... | ... | 546 | 1,259 | → |
| Creemore | Small Population Center | ... | ... | 1,147 | 1,170 | 1,194 | → |
| Crystal Beach | Small Population Center | ... | ... | 8,059 | 8,524 | 9,531 | → |
| Deep River | Small Population Center | ... | ... | 3,800 | 3,782 | 3,860 | → |
| Delhi | Small Population Center | ... | ... | ... | 5,069 | 5,344 | → |
| Deseronto | Small Population Center | ... | ... | 1,673 | 1,645 | 1,598 | → |
| Dorchester | Small Population Center | ... | ... | ... | 4,400 | 4,355 | → |
| Dowling | Small Population Center | ... | ... | 1,546 | 1,466 | 1,449 | → |
| Drayton | Small Population Center | ... | ... | 1,775 | 2,111 | 2,279 | → |
| Dresden | Small Population Center | 2,582 | 2,496 | 2,385 | 2,451 | 2,401 | → |
| Dryden | Small Population Center | ... | ... | 5,534 | 5,596 | 5,355 | → |
| Dundalk | Small Population Center | 1,972 | 1,971 | 1,988 | 2,046 | 2,803 | → |
| Dunnville | Small Population Center | 5,686 | 5,729 | 5,626 | 5,759 | 5,907 | → |
| Durham | Small Population Center | ... | ... | 2,635 | 2,609 | 2,755 | → |
| Dutton | Small Population Center | ... | ... | ... | 1,454 | 1,658 | → |
| Eganville | Small Population Center | ... | ... | ... | 1,085 | 1,149 | → |
| Elliot Lake | Small Population Center | 11,842 | 11,420 | 11,162 | 10,503 | 10,998 | → |
| Elmira | Small Population Center | 8,155 | 8,872 | 9,677 | 10,273 | 10,790 | → |
| Elmvale | Small Population Center | ... | ... | 2,248 | 2,314 | 2,520 | → |
| Embrun | Small Population Center | 4,468 | 5,655 | 6,380 | 6,968 | 8,680 | → |
| Englehart | Small Population Center | ... | ... | 1,449 | 1,418 | 1,371 | → |
| Erin | Small Population Center | ... | ... | 2,523 | 2,647 | 2,725 | → |
| Espanola | Small Population Center | ... | ... | 3,914 | 3,714 | 3,986 | → |
| Essex | Small Population Center | 7,002 | 7,105 | 7,127 | 7,446 | 8,233 | → |
| Everett | Small Population Center | ... | 1,850 | 1,645 | 1,670 | 1,570 | → |
| Exeter | Small Population Center | ... | ... | 4,210 | 4,649 | 4,863 | → |
| Factory Island | Small Population Center | ... | 0 | 1,869 | 1,812 | 1,530 | → |
| Fenelon Falls | Small Population Center | ... | ... | 2,279 | 2,464 | 2,490 | → |
| Fergus | Small Population Center | 16,732 | 18,349 | 19,335 | 20,928 | 23,209 | → |
| Forest | Small Population Center | ... | ... | 2,389 | 2,277 | 2,429 | → |
| Fort Erie | Small Population Center | ... | ... | 14,490 | 14,772 | 15,372 | → |
| Fort Frances | Small Population Center | 8,275 | 7,972 | 7,618 | 7,420 | 7,159 | → |
| Frankford | Small Population Center | 2,197 | 2,299 | 2,554 | 2,825 | 3,079 | → |
| Gananoque | Small Population Center | 5,167 | 5,285 | 5,194 | 5,159 | 5,383 | → |
| Georgetown | Population Center | 31,510 | 36,755 | 40,185 | 42,326 | 44,058 | → |
| Geraldton | Small Population Center | 2,224 | 2,012 | 1,810 | 1,838 | 1,761 | → |
| Glencoe | Small Population Center | 2,152 | 2,095 | 2,065 | 2,126 | 2,158 | → |
| Goderich | Small Population Center | 7,604 | 7,563 | 7,327 | 7,536 | 7,728 | → |
| Golden | Small Population Center | 1,207 | 1,392 | 1,220 | 1,154 | 1,143 | → |
| Grand Bend | Small Population Center | ... | ... | 2,564 | 2,684 | 3,031 | → |
| Grand Valley | Small Population Center | ... | ... | ... | 1,825 | 2,720 | → |
| Gravenhurst | Small Population Center | ... | ... | ... | 5,660 | 5,789 | → |
| Guelph | Urban Area | 106,920 | 115,635 | 122,457 | 132,705 | 144,356 | → |
| Hagersville | Small Population Center | 2,484 | 2,527 | 2,579 | 2,939 | 3,059 | → |
| Haileybury | Small Population Center | ... | ... | 3,462 | 3,281 | 3,247 | → |
| Haliburton Village | Small Population Center | ... | ... | 1,041 | 1,149 | 1,078 | → |
| Hamilton (incl. Mount Hope) | Urban Area | 620,232 | 647,682 | 672,484 | 693,362 | 729,560 | → |
| Hanover | Small Population Center | 6,869 | 7,147 | 7,240 | 7,507 | 7,761 | → |
| Harriston | Small Population Center | ... | ... | 1,700 | 1,797 | 1,887 | → |
| Harrow | Small Population Center | 2,935 | 2,913 | 2,713 | 2,710 | 2,562 | → |
| Hastings | Small Population Center | ... | ... | 1,030 | 1,159 | 1,388 | → |
| Havelock | Small Population Center | ... | ... | 1,131 | 1,175 | 1,055 | → |
| Hawkesbury [← parts in Québec] | Small Population Center | 11,634 | 12,267 | 11,894 | 11,732 | 11,755 | → |
| Hearst | Small Population Center | 4,493 | 4,381 | 3,818 | 3,835 | 3,537 | → |
| Hensall | Small Population Center | ... | ... | ... | 1,021 | 1,126 | → |
| Horseshoe Valley | Small Population Center | ... | ... | ... | 866 | 1,127 | → |
| Huntsville | Small Population Center | ... | ... | 6,405 | 6,482 | 6,639 | → |
| Ilderton | Small Population Center | ... | ... | ... | 1,985 | 2,250 | → |
| Ingersoll | Small Population Center | 10,977 | 11,760 | 11,977 | 12,694 | 13,607 | → |
| Ingleside | Small Population Center | ... | ... | 1,369 | 1,384 | 1,487 | → |
| Innerkip | Small Population Center | ... | ... | ... | 894 | 1,342 | → |
| Innisfil | Small Population Center | ... | ... | 20,365 | 24,277 | 29,464 | → |
| Iroquois | Small Population Center | ... | ... | ... | 1,299 | 1,406 | → |
| Iroquois Falls | Small Population Center | ... | ... | 3,071 | 2,955 | 2,866 | → |
| Jarvis | Small Population Center | ... | ... | 913 | 1,084 | 1,214 | → |
| Kanata | Urban Area | 70,904 | 86,632 | 104,559 | 118,308 | 137,118 | → |
| Kapuskasing | Small Population Center | ... | ... | 7,250 | 7,378 | 7,092 | → |
| Kasabonika Lake | Small Population Center | ... | ... | ... | 849 | 1,060 | → |
| Kemptville | Small Population Center | 3,657 | 3,539 | 3,620 | 3,911 | 4,051 | → |
| Kenora | Small Population Center | 11,816 | 11,316 | 10,970 | 11,112 | 10,974 | → |
| Keswick - Elmhurst Beach | Small Population Center | ... | 24,502 | 26,002 | 26,999 | 27,145 | → |
| Kincardine | Small Population Center | ... | ... | 7,802 | 8,506 | 9,343 | → |
| King | Small Population Center | ... | ... | 4,603 | 6,970 | 8,396 | → |
| Kingston | Urban Area | 108,664 | 112,580 | 114,928 | 119,061 | 127,943 | → |
| Kirkland Lake | Small Population Center | ... | ... | 6,583 | 6,305 | 6,180 | → |
| Kitchener | Urban Area | 387,319 | 422,514 | 446,295 | 473,230 | 522,888 | → |
| Lakefield | Small Population Center | 2,734 | 2,739 | 2,676 | 2,768 | 2,943 | → |
| Leamington | Population Center | 29,073 | 31,113 | 32,520 | 33,049 | 35,730 | → |
| Limoges | Small Population Center | ... | ... | 1,723 | 2,048 | 2,213 | → |
| Lindsay | Small Population Center | 17,757 | 19,361 | 20,291 | 20,713 | 22,367 | → |
| Listowel | Small Population Center | 5,905 | 6,303 | 6,828 | 7,530 | 9,539 | → |
| Little Current | Small Population Center | ... | ... | 1,435 | 1,558 | 1,210 | → |
| Lively | Small Population Center | ... | ... | 5,584 | 5,613 | 5,569 | → |
| London (incl. Komoka) | Urban Area | 339,081 | 355,237 | 365,715 | 384,784 | 423,369 | → |
| Longlac | Small Population Center | 1,748 | 1,364 | 1,383 | 1,434 | 1,316 | → |
| Long Sault | Small Population Center | ... | ... | ... | 1,951 | 2,154 | → |
| L'Orignal | Small Population Center | ... | ... | 1,403 | 1,483 | 1,359 | → |
| Lucan | Small Population Center | 2,010 | 1,997 | 2,014 | 2,541 | 3,089 | → |
| Lucknow | Small Population Center | 1,126 | 1,162 | 1,095 | 1,121 | 1,154 | → |
| Madoc | Small Population Center | 1,375 | 1,435 | 1,486 | 1,540 | 1,489 | → |
| Manitouwadge | Small Population Center | ... | ... | 1,783 | 1,735 | 1,682 | → |
| Manotick Station | Small Population Center | ... | ... | 5,424 | 5,776 | 5,873 | → |
| Marathon | Small Population Center | 4,381 | 3,843 | 3,203 | 3,138 | 3,022 | → |
| Marchmont - Bass Lake | Small Population Center | ... | ... | ... | 1,562 | 1,902 | → |
| Markdale | Small Population Center | ... | ... | 1,175 | 1,216 | 1,206 | → |
| Marmora | Small Population Center | 1,589 | 1,482 | 1,466 | 1,639 | 1,499 | → |
| Mattawa | Small Population Center | ... | ... | 1,789 | 1,812 | 1,721 | → |
| McGregor | Small Population Center | ... | ... | 1,474 | 1,859 | 1,536 | → |
| Meaford | Small Population Center | 4,559 | 4,686 | 4,860 | 4,945 | 5,078 | → |
| Merrickville | Small Population Center | ... | ... | ... | 1,016 | 1,036 | → |
| Metcalfe | Small Population Center | 1,758 | 1,728 | 1,763 | 1,776 | 1,811 | → |
| Midland | Small Population Center | ... | ... | 23,791 | 24,443 | 26,246 | → |
| Mildmay | Small Population Center | 1,191 | 1,216 | 1,178 | 1,219 | 1,222 | → |
| Millbrook | Small Population Center | 1,467 | 1,652 | 1,597 | 1,695 | 1,739 | → |
| Milton | Urban Area | 22,436 | 45,486 | 75,880 | 101,885 | 124,579 | → |
| Milverton | Small Population Center | 1,707 | 1,446 | 1,476 | 1,586 | 1,797 | → |
| Mississauga Beach | Small Population Center | ... | ... | 4,349 | 4,662 | 5,293 | → |
| Mitchell | Small Population Center | 4,181 | 4,260 | 4,257 | 4,604 | 4,868 | → |
| Moosonee | Small Population Center | ... | ... | 1,632 | 1,405 | 1,471 | → |
| Morrisburg | Small Population Center | ... | ... | 2,386 | 2,385 | 2,398 | → |
| Mount Albert | Small Population Center | ... | 2,690 | 4,044 | 5,021 | 5,695 | → |
| Mount Brydges | Small Population Center | ... | ... | ... | 2,117 | 2,656 | → |
| Mount Forest | Small Population Center | ... | ... | 4,466 | 4,643 | 5,040 | → |
| Munster | Small Population Center | ... | ... | ... | 939 | 1,145 | → |
| Napanee | Small Population Center | 7,341 | 7,060 | 7,134 | 7,439 | 8,173 | → |
| New Dundee | Small Population Center | ... | 1,297 | 1,219 | 1,119 | 1,174 | → |
| New Hamburg | Small Population Center | ... | 10,315 | 11,709 | 13,595 | 14,379 | → |
| New Liskeard | Small Population Center | ... | ... | 4,676 | 4,444 | 4,232 | → |
| Nobleton | Small Population Center | ... | ... | ... | 4,924 | 6,507 | → |
| North Bay | Population Center | 51,900 | 53,100 | 52,405 | 50,396 | 51,433 | → |
| Norwich | Small Population Center | 2,510 | 2,478 | 2,707 | 2,852 | 3,038 | → |
| Norwood | Small Population Center | ... | ... | 1,390 | 1,380 | 1,585 | → |
| Omemee | Small Population Center | 1,319 | 1,323 | 1,203 | 1,271 | 1,060 | → |
| Orangeville | Population Center | ... | ... | ... | 32,318 | 34,177 | → |
| Orillia | Population Center | 29,121 | 30,259 | 30,546 | 31,128 | 33,379 | → |
| Orono | Small Population Center | ... | ... | 1,150 | 1,105 | 1,104 | → |
| Oro Station - Hawkestone | Small Population Center | ... | ... | 1,682 | 1,691 | 1,806 | → |
| Osgoode | Small Population Center | 2,571 | 2,552 | 2,505 | 2,578 | 2,535 | → |
| Oshawa | Urban Area | 242,831 | 270,059 | 290,704 | 309,759 | 335,949 | → |
| Ottawa - Gatineau [← parts in Québec] | Urban Area | 834,799 | 867,593 | 945,592 | 994,576 | 1,068,821 | → |
| Owen Sound | Small Population Center | 22,324 | 22,208 | 22,354 | 22,032 | 22,318 | → |
| Paisley | Small Population Center | 1,033 | 1,047 | 998 | 1,045 | 1,061 | → |
| Palgrave | Small Population Center | ... | ... | 1,002 | 1,044 | 1,107 | → |
| Palmerston | Small Population Center | 2,518 | 2,589 | 2,599 | 2,624 | 2,989 | → |
| Paris | Small Population Center | 9,881 | 11,177 | 11,722 | 12,389 | 14,956 | → |
| Parkhill | Small Population Center | 1,752 | 1,691 | 1,853 | 1,737 | 1,707 | → |
| Parry Sound | Small Population Center | 6,124 | 5,828 | 6,078 | 6,321 | 6,788 | → |
| Pembroke | Small Population Center | 15,019 | 15,555 | 16,469 | 16,203 | 16,571 | → |
| Perth | Small Population Center | ... | ... | ... | 6,042 | 6,486 | → |
| Petawawa | Small Population Center | 10,656 | 11,002 | 12,402 | 13,870 | 14,382 | → |
| Peterborough | Population Center | 73,303 | 77,348 | 79,863 | 82,149 | 84,793 | → |
| Petrolia | Small Population Center | ... | ... | 5,144 | 5,402 | 5,632 | → |
| Picton | Small Population Center | 4,563 | 4,375 | 4,474 | 4,395 | 4,508 | → |
| Plattsville | Small Population Center | ... | ... | 1,143 | 1,366 | 1,520 | → |
| Porcupine | Small Population Center | ... | ... | ... | 5,811 | 5,832 | → |
| Port Colborne | Small Population Center | ... | ... | 15,079 | 14,800 | 15,441 | → |
| Port Dover | Small Population Center | ... | ... | ... | 6,984 | 7,871 | → |
| Port Elgin | Small Population Center | ... | ... | ... | 8,297 | 9,619 | → |
| Port Hope | Small Population Center | 11,718 | 12,356 | 12,177 | 12,587 | 13,012 | → |
| Port Perry | Small Population Center | ... | ... | 9,717 | 9,453 | 9,553 | → |
| Port Rowan | Small Population Center | ... | ... | ... | 1,354 | 1,357 | → |
| Port Stanley | Small Population Center | 2,444 | 2,454 | 2,270 | 2,231 | 3,008 | → |
| Powassan | Small Population Center | 1,177 | 1,267 | 1,255 | 1,343 | 1,241 | → |
| Prescott | Small Population Center | ... | ... | 4,010 | 4,217 | 4,078 | → |
| Red Lake | Small Population Center | ... | ... | 1,195 | 1,182 | 1,263 | → |
| Renfrew | Small Population Center | 8,078 | 7,953 | 8,121 | 8,308 | 8,337 | → |
| Richmond | Small Population Center | 3,287 | 3,301 | 3,854 | 4,055 | 4,228 | → |
| Ridgetown | Small Population Center | 3,358 | 3,240 | 2,986 | 3,002 | 2,797 | → |
| Rockland | Small Population Center | 8,542 | 9,210 | 10,980 | 12,399 | 13,625 | → |
| Rockwood | Small Population Center | ... | ... | 4,290 | 4,629 | 5,488 | → |
| Russell | Small Population Center | ... | ... | ... | 5,039 | 6,135 | → |
| Sandy Lake 88 | Small Population Center | ... | ... | ... | 49 | 1,601 | → |
| Sarnia | Population Center | ... | ... | 73,044 | 73,403 | 73,944 | → |
| Sault Ste. Marie | Population Center | 67,679 | 67,734 | 68,143 | 66,313 | 64,923 | → |
| Schomberg | Small Population Center | 1,216 | 1,679 | 2,321 | 2,691 | 2,656 | → |
| Seaforth | Small Population Center | 2,692 | 2,634 | 2,627 | 2,680 | 2,673 | → |
| Shelburne | Small Population Center | 4,213 | 5,149 | 5,841 | 8,126 | 8,989 | → |
| Simcoe | Small Population Center | ... | ... | ... | 14,649 | 16,121 | → |
| Sioux Lookout | Small Population Center | 3,531 | 3,071 | 2,937 | 2,941 | 3,781 | → |
| Smiths Falls | Small Population Center | 9,977 | 9,566 | 9,279 | 9,068 | 9,517 | → |
| Smithville | Small Population Center | ... | ... | 4,842 | 5,724 | 6,456 | → |
| Southampton | Small Population Center | 3,360 | 3,390 | 3,382 | 3,678 | 3,993 | → |
| Stayner | Small Population Center | ... | ... | ... | 4,258 | 4,699 | → |
| St. Catharines - Niagara Falls | Urban Area | ... | ... | 220,616 | 229,776 | 242,460 | → |
| St. Clements | Small Population Center | ... | ... | ... | 820 | 1,240 | → |
| Stevensville | Small Population Center | ... | ... | 1,054 | 1,179 | 1,316 | → |
| St. George | Small Population Center | 2,510 | 2,955 | 3,124 | 3,255 | 3,354 | → |
| Stirling | Small Population Center | ... | ... | 2,027 | 2,030 | 2,074 | → |
| St. Jacobs | Small Population Center | ... | 1,597 | 1,891 | 1,988 | 1,959 | → |
| St. Marys | Small Population Center | 6,293 | 6,617 | 6,373 | 7,137 | 7,271 | → |
| Stoney Point | Small Population Center | ... | ... | ... | 1,318 | 1,394 | → |
| Stouffville | Population Center | 11,073 | 12,411 | 24,654 | 32,634 | 36,753 | → |
| Stratford | Population Center | 29,780 | 30,516 | 30,516 | 31,094 | 32,878 | → |
| Strathroy | Small Population Center | 12,860 | 13,541 | 14,391 | 14,505 | 16,056 | → |
| St. Thomas | Population Center | 36,189 | 39,573 | 40,973 | 41,834 | 45,732 | → |
| Sturgeon Falls | Small Population Center | 5,988 | 6,383 | 6,672 | 6,916 | 6,939 | → |
| Sudbury | Population Center | ... | ... | 87,950 | 88,155 | 92,093 | → |
| Sunderland | Small Population Center | ... | 1,072 | 1,085 | 1,243 | 1,490 | → |
| Sutton | Small Population Center | ... | ... | 6,694 | 7,653 | 8,477 | → |
| Tavistock | Small Population Center | 2,513 | 2,659 | 2,784 | 2,955 | 3,171 | → |
| Tay | Small Population Center | ... | ... | 5,217 | 5,474 | 6,188 | → |
| Thamesford | Small Population Center | 1,748 | 1,904 | 1,953 | 2,116 | 2,622 | → |
| Thessalon | Small Population Center | ... | ... | 1,140 | 1,175 | 1,147 | → |
| Thornbury | Small Population Center | ... | ... | ... | 2,873 | 3,474 | → |
| Thornton | Small Population Center | ... | ... | ... | 1,017 | 1,046 | → |
| Thunder Bay | Population Center | ... | ... | 95,251 | 94,767 | 95,266 | → |
| Tilbury | Small Population Center | 4,599 | 4,809 | 4,675 | 4,768 | 4,687 | → |
| Tillsonburg | Small Population Center | 14,052 | 14,822 | 14,933 | 15,834 | 18,573 | → |
| Timmins | Small Population Center | 31,188 | 30,253 | 30,485 | 29,331 | 28,874 | → |
| Tiny Beaches North | Small Population Center | ... | ... | ... | 922 | 1,065 | → |
| Toronto | Urban Area | 4,375,899 | 4,732,361 | 5,144,412 | 5,433,590 | 5,647,656 | → |
| Tottenham | Small Population Center | ... | ... | ... | 5,422 | 9,609 | → |
| Tweed | Small Population Center | 1,539 | 1,595 | 1,614 | 1,701 | 1,541 | → |
| Uxbridge | Small Population Center | 8,540 | 10,175 | 11,709 | 11,832 | 11,794 | → |
| Valley East | Small Population Center | ... | ... | 17,343 | 17,451 | 17,251 | → |
| Vankleek Hill | Small Population Center | 2,022 | 1,877 | 1,789 | 1,742 | 1,781 | → |
| Vineland | Small Population Center | ... | ... | 3,807 | 4,260 | 4,395 | → |
| Virgil | Small Population Center | ... | ... | 2,734 | 2,937 | 3,008 | → |
| Walkerton | Small Population Center | ... | ... | 4,403 | 4,537 | 4,724 | → |
| Wallaceburg | Small Population Center | 11,114 | 10,703 | 10,127 | 10,098 | 10,323 | → |
| Wasaga Beach | Small Population Center | ... | ... | 15,378 | 18,653 | 22,194 | → |
| Waterford | Small Population Center | ... | ... | ... | 3,676 | 4,227 | → |
| Watford | Small Population Center | ... | ... | 1,491 | 1,536 | 1,563 | → |
| Wawa | Small Population Center | 3,279 | 2,968 | 2,634 | 2,610 | 2,431 | → |
| Welland - Pelham | Population Center | ... | ... | 60,540 | 63,011 | 69,302 | → |
| Wellesley | Small Population Center | 1,666 | 2,090 | 2,929 | 3,246 | 3,536 | → |
| Wellington | Small Population Center | ... | ... | ... | 1,353 | 1,526 | → |
| Wendover | Small Population Center | ... | ... | 1,302 | 1,785 | 2,176 | → |
| West Lorne | Small Population Center | 1,458 | 1,403 | 1,415 | 1,337 | 1,385 | → |
| Wheatley | Small Population Center | 2,090 | 2,322 | 2,898 | 2,868 | 3,060 | → |
| Wiarton | Small Population Center | ... | ... | 2,034 | 1,989 | 1,996 | → |
| Wikwemikong | Small Population Center | ... | ... | ... | 1,567 | 1,417 | → |
| Winchester | Small Population Center | 2,427 | 2,240 | 2,460 | 2,394 | 2,417 | → |
| Windsor | Urban Area | 265,540 | 278,869 | 277,970 | 288,363 | 306,519 | → |
| Wingham | Small Population Center | 2,885 | 2,923 | 2,875 | 2,934 | 2,981 | → |
| Woodstock | Population Center | 33,061 | 35,424 | 37,443 | 40,614 | 46,296 | → |
| Wyoming | Small Population Center | 2,200 | 2,080 | 2,248 | 2,361 | 2,348 | → |
Source: Statistics Canada (web).
Explanation: Urban areas and population centers in the boundaries of 2021.