Province
The population development of Ontario according to official estimates.
| Name | Abbr. | Status | Capital | Area A-L (km²) | Population Estimate (E) 2002-07-01 | Population Estimate (E) 2007-07-01 | Population Estimate (E) 2012-07-01 | Population Estimate (E) 2017-07-01 | Population Estimate (E) 2023-07-01 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ontario | ONT | Prov | Toronto | 892,412 | 12,093,412 | 12,765,133 | 13,392,364 | 14,078,499 | 15,608,369 | 89241200 | → |
| Canada | CAN | Fed | Ottawa | 8,788,703 | 31,359,199 | 32,888,886 | 34,713,395 | 36,545,075 | 40,097,761 | → |
- Statistics Canada (web).
Major Cities
| Name | Population Estimate (E) 2023-07-01 | |
|---|---|---|
| 1 | Toronto | 3,110,984 |
| 2 | Ottawa | 1,114,316 |
| 3 | Mississauga | 756,453 |
| 4 | Brampton | 744,041 |
| 5 | Hamilton | 615,244 |
| 6 | London | 474,643 |
| 7 | Markham | 357,298 |
| 8 | Vaughan | 344,930 |
| 9 | Kitchener | 300,892 |
| 10 | Windsor | 255,508 |
Contents: Cities & Towns
The population of all cities and towns with more than 10,000 inhabitants (plus some selected municipalities) in Ontario according to official estimates.
| Name | Status | Population Estimate (E) 2002-07-01 | Population Estimate (E) 2007-07-01 | Population Estimate (E) 2012-07-01 | Population Estimate (E) 2017-07-01 | Population Estimate (E) 2023-07-01 | Area | |
|---|---|---|---|---|---|---|---|---|
| Ajax | Town | 80,308 | 99,929 | 115,512 | 124,724 | 135,968 | 6664 | → |
| Amherstburg | Town | 21,655 | 22,605 | 22,124 | 22,966 | 26,268 | 18376 | → |
| Arnprior | Town | 7,435 | 7,684 | 8,606 | 9,262 | 10,648 | 1304 | → |
| Aurora | Town | 44,160 | 50,464 | 55,019 | 59,189 | 65,970 | 5000 | → |
| Barrie | City | 114,513 | 136,397 | 142,247 | 145,683 | 164,487 | 9901 | → |
| Belleville | City | 48,561 | 50,870 | 50,853 | 53,155 | 60,628 | 24715 | → |
| Bracebridge | Town | 14,730 | 15,889 | 16,057 | 16,782 | 18,896 | 61520 | → |
| Bradford West Gwillimbury | Town | 23,712 | 25,333 | 30,725 | 39,513 | 48,693 | 20068 | → |
| Brampton | City | 365,476 | 476,703 | 555,819 | 631,618 | 744,041 | 26589 | → |
| Brant (incl. Paris) | City | 32,413 | 34,910 | 35,921 | 36,468 | 44,286 | 81766 | → |
| Brantford | City | 91,416 | 94,943 | 97,772 | 103,799 | 116,587 | 9865 | → |
| Brockville | City | 22,574 | 22,773 | 22,508 | 22,139 | 23,358 | 2091 | → |
| Burlington | City | 159,585 | 171,989 | 183,128 | 189,081 | 195,764 | 18612 | → |
| Caledon (incl. Bolton) | Town | 54,357 | 60,355 | 62,343 | 71,921 | 84,930 | 68882 | → |
| Cambridge | City | 117,143 | 126,307 | 131,532 | 135,532 | 156,318 | 11299 | → |
| Carleton Place | Town | 9,576 | 9,802 | 10,154 | 11,257 | 13,815 | 994 | → |
| Chatham - Kent | Com | 111,153 | 110,663 | 105,569 | 104,765 | 110,751 | 245190 | → |
| Clarence-Rockland | City | 20,688 | 22,039 | 24,358 | 25,308 | 28,995 | 29747 | → |
| Clarington (incl. Bowmanville, Newcastle) | Com | 74,331 | 82,469 | 88,996 | 97,471 | 111,404 | 61084 | → |
| Cobourg | Town | 18,025 | 18,656 | 19,337 | 20,300 | 22,475 | 2241 | → |
| Collingwood | Town | 16,960 | 17,802 | 20,696 | 22,968 | 27,453 | 3315 | → |
| Cornwall | City | 47,561 | 47,278 | 47,509 | 47,913 | 51,572 | 6150 | → |
| East Gwillimbury (incl. Holland Landing, Sharon) | Town | 21,821 | 21,995 | 23,225 | 26,460 | 40,033 | 24491 | → |
| Elliot Lake | City | 12,175 | 11,680 | 11,277 | 11,185 | 12,275 | 69606 | → |
| Erin | Town | 11,510 | 11,499 | 11,173 | 11,879 | 12,663 | 29881 | → |
| Essex | Town | 21,017 | 20,588 | 20,145 | 21,182 | 22,951 | 27753 | → |
| Fort Erie | Town | 29,606 | 30,952 | 30,823 | 32,243 | 36,209 | 16624 | → |
| Georgina (incl. Keswick) | Town | 42,265 | 43,980 | 45,058 | 47,463 | 51,160 | 28769 | → |
| Gravenhurst | Town | 11,346 | 11,625 | 12,316 | 12,897 | 14,324 | 48911 | → |
| Greater Napanee (incl. Napanee) | Town | 15,681 | 15,769 | 16,092 | 16,364 | 17,587 | 46230 | → |
| Greater Sudbury (Grand Sudbury) | City | 160,798 | 164,293 | 165,338 | 167,212 | 179,831 | 318626 | → |
| Grimsby | Town | 22,707 | 25,088 | 26,496 | 28,472 | 31,233 | 6871 | → |
| Guelph | City | 112,588 | 120,313 | 127,705 | 138,873 | 156,773 | 8743 | → |
| Haldimand County (incl. Cayuga, Caledonia, Hagersville) | City | 45,785 | 46,631 | 45,702 | 47,327 | 54,266 | 125045 | → |
| Halton Hills (incl. Acton, Georgetown) | Town | 51,717 | 58,290 | 60,949 | 63,727 | 67,195 | 27681 | → |
| Hamilton | City | 514,981 | 524,348 | 539,092 | 562,009 | 615,244 | 111831 | → |
| Hawkesbury | Town | 10,805 | 11,059 | 10,763 | 10,445 | 11,521 | 1010 | → |
| Huntsville | Town | 18,256 | 19,210 | 19,615 | 20,521 | 23,199 | 70518 | → |
| Ingersoll | Town | 11,572 | 12,283 | 12,643 | 13,414 | 14,744 | 1273 | → |
| Innisfil | Town | 30,210 | 32,185 | 33,788 | 39,136 | 48,299 | 26239 | → |
| Kawartha Lakes (incl. Lindsay) | City | 72,892 | 76,152 | 75,486 | 78,398 | 85,215 | 303366 | → |
| Kenora | City | 16,283 | 15,674 | 15,599 | 15,661 | 15,600 | 21165 | → |
| Kingston | City | 120,351 | 122,127 | 126,719 | 130,567 | 145,104 | 45158 | → |
| Kingsville | Town | 20,820 | 21,783 | 21,998 | 22,343 | 24,396 | 24608 | → |
| Kitchener | City | 201,788 | 215,028 | 229,046 | 247,570 | 300,892 | 13681 | → |
| Lakeshore (incl. Belle River, Tilbury) | Town | 31,120 | 35,259 | 35,843 | 38,687 | 44,606 | 52900 | → |
| LaSalle | Town | 27,083 | 29,235 | 29,579 | 32,030 | 35,673 | 6496 | → |
| Leamington | Mun | 28,841 | 29,927 | 28,839 | 28,896 | 33,036 | 26124 | → |
| Lincoln (incl. Beamsville) | Town | 21,708 | 22,610 | 23,386 | 24,655 | 28,203 | 16274 | → |
| London | City | 354,526 | 368,271 | 380,951 | 406,867 | 474,643 | 42050 | → |
| Markham | Town | 231,802 | 282,968 | 318,023 | 338,876 | 357,298 | 21093 | → |
| Midland | Town | 16,903 | 16,948 | 17,043 | 17,757 | 19,007 | 3533 | → |
| Milton | Town | 37,319 | 61,763 | 93,747 | 118,132 | 148,110 | 36383 | → |
| Minto (incl. Harriston) | Town | 8,531 | 8,676 | 8,792 | 9,133 | 9,940 | 30019 | → |
| Mississauga | City | 654,694 | 707,544 | 738,866 | 747,600 | 756,453 | 29274 | → |
| Mississippi Mills (incl. Almonte) | Town | 12,163 | 12,181 | 12,738 | 13,809 | 16,019 | 51125 | → |
| Mono | Town | 7,238 | 7,406 | 7,770 | 9,423 | 9,899 | 27837 | → |
| Newmarket | Town | 71,653 | 78,271 | 83,474 | 87,348 | 92,503 | 3850 | → |
| New Tecumseth (incl. Alliston) | Town | 27,690 | 29,268 | 32,091 | 38,163 | 49,079 | 27387 | → |
| Niagara Falls | City | 82,674 | 84,832 | 86,340 | 92,303 | 105,552 | 21025 | → |
| Niagara-on-the-Lake | Town | 14,471 | 15,335 | 16,005 | 18,625 | 20,472 | 13135 | → |
| Norfolk County (incl. Simcoe) | City | 63,506 | 64,507 | 64,621 | 66,331 | 73,015 | 159768 | → |
| North Bay | City | 55,107 | 55,568 | 54,602 | 53,420 | 58,388 | 31553 | → |
| Oakville | Town | 154,873 | 176,233 | 189,868 | 202,934 | 231,886 | 13894 | → |
| Orangeville | Town | 26,707 | 28,138 | 28,699 | 29,956 | 32,025 | 1516 | → |
| Orillia | City | 30,558 | 30,990 | 31,186 | 32,567 | 36,501 | 2853 | → |
| Oshawa | City | 144,950 | 147,099 | 155,328 | 167,078 | 196,165 | 14572 | → |
| Ottawa | City | 818,340 | 855,764 | 922,564 | 985,994 | 1,114,316 | 278820 | → |
| Owen Sound | City | 22,371 | 22,400 | 21,932 | 21,803 | 23,298 | 2421 | → |
| Pelham | Town | 16,040 | 16,717 | 17,077 | 18,104 | 19,399 | 12634 | → |
| Pembroke | City | 14,065 | 14,452 | 14,649 | 14,269 | 15,276 | 1432 | → |
| Penetanguishene | Town | 8,876 | 9,490 | 9,360 | 9,648 | 10,841 | 2542 | → |
| Petawawa | Town | 15,105 | 15,559 | 16,728 | 18,230 | 19,195 | 16470 | → |
| Peterborough | City | 75,839 | 78,470 | 81,160 | 84,697 | 92,219 | 6476 | → |
| Pickering | City | 90,747 | 91,326 | 91,633 | 95,749 | 109,116 | 23110 | → |
| Port Colborne | City | 19,170 | 18,974 | 18,926 | 19,325 | 21,312 | 12199 | → |
| Port Hope | Mun | 16,365 | 16,712 | 16,672 | 17,671 | 18,197 | 27880 | → |
| Prince Edward County (incl. Picton) | City | 26,068 | 25,850 | 25,466 | 25,242 | 26,878 | 105261 | → |
| Quinte West (incl. Trenton) | City | 43,413 | 44,258 | 44,193 | 45,688 | 50,238 | 49545 | → |
| Richmond Hill | Town | 146,528 | 177,244 | 194,031 | 200,180 | 212,252 | 10079 | → |
| Sarnia | City | 73,855 | 73,890 | 74,091 | 73,659 | 78,374 | 16390 | → |
| Saugeen Shores (incl. Port Elgin, Southampton) | Town | 11,908 | 12,146 | 13,168 | 14,574 | 17,462 | 17019 | → |
| Sault Ste. Marie | City | 76,986 | 77,406 | 76,617 | 74,628 | 78,574 | 22199 | → |
| Shelburne | Town | 4,567 | 5,483 | 6,381 | 8,705 | 10,047 | 656 | → |
| Smiths Falls | Town | 9,878 | 9,315 | 9,266 | 9,067 | 10,388 | 966 | → |
| St. Catharines | City | 134,965 | 135,693 | 135,565 | 137,987 | 149,550 | 9620 | → |
| St. Thomas | City | 35,100 | 37,937 | 39,053 | 40,729 | 47,038 | 3561 | → |
| Stratford | City | 31,215 | 31,520 | 31,947 | 32,725 | 35,335 | 3002 | → |
| Strathroy | Mun | 20,118 | 20,899 | 21,608 | 22,223 | 26,617 | 27086 | |
| Tecumseh | Town | 25,434 | 24,912 | 23,986 | 24,146 | 25,327 | 9459 | → |
| Temiskaming Shores (incl. Haileybury, New Liskeard) | City | 10,799 | 10,518 | 10,556 | 10,144 | 10,224 | 17667 | → |
| The Blue Mountains (incl. Thornbury) | Town | 6,492 | 6,885 | 6,685 | 7,647 | 10,635 | 28465 | → |
| Thorold | City | 18,835 | 18,848 | 18,177 | 20,336 | 26,466 | 8329 | → |
| Thunder Bay | City | 113,195 | 112,086 | 111,420 | 111,867 | 115,711 | 32777 | → |
| Tillsonburg | Town | 14,706 | 15,272 | 15,981 | 16,782 | 20,189 | 2220 | → |
| Timmins | City | 45,318 | 44,518 | 44,164 | 42,593 | 44,182 | 295533 | → |
| Toronto | City | 2,603,655 | 2,613,670 | 2,737,041 | 2,856,557 | 3,110,984 | 63110 | → |
| Vaughan | City | 205,617 | 259,718 | 304,194 | 317,764 | 344,930 | 27244 | → |
| Wasaga Beach | Town | 13,445 | 16,058 | 18,516 | 22,342 | 27,317 | 5742 | → |
| Waterloo | City | 92,711 | 102,495 | 102,829 | 112,587 | 139,696 | 6406 | → |
| Welland | City | 50,730 | 52,044 | 52,123 | 54,493 | 62,776 | 8116 | → |
| Whitby | Town | 95,900 | 118,582 | 128,181 | 133,923 | 154,478 | 14669 | → |
| Whitchurch - Stouffville | Town | 23,725 | 28,020 | 41,742 | 48,194 | 54,955 | 20642 | → |
| Windsor | City | 221,474 | 222,729 | 218,137 | 226,556 | 255,508 | 14602 | → |
| Woodstock | City | 35,521 | 37,527 | 39,905 | 43,565 | 52,124 | 5646 | → |
- Statistics Canada (web).