Ontario (Canada)

Province

The population development of Ontario.

Name	Status	Population Estimate 2002-07-01	Population Estimate 2007-07-01	Population Estimate 2012-07-01	Population Estimate 2017-07-01	Population Estimate 2023-07-01
Ontario	Province	12,093,412	12,765,133	13,392,364	14,078,499	15,608,369	→
Canada	Country	31,359,199	32,888,886	34,713,395	36,545,075	40,097,761

Contents: Metropolitan Areas and Census Agglomerations

The population development of the metropolitan areas and census agglomerations in Ontario.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, country of birth, mother tongue).

Name	Status	Province(s)	Population Estimate 2002-07-01	Population Estimate 2007-07-01	Population Estimate 2012-07-01	Population Estimate 2017-07-01	Population Estimate 2023-07-01
Barrie	Metropolitan Area	Ontario	161,594	186,496	194,593	206,896	238,540	→
Belleville	Metropolitan Area	Ontario	100,915	104,512	104,639	108,194	121,982	→
Brantford	Metropolitan Area	Ontario	129,635	136,306	139,770	146,115	167,718	→
Brockville	Census Agglomeration	Ontario	32,728	32,944	31,798	31,912	33,649	→
Centre Wellington (Fergus)	Census Agglomeration	Ontario	25,488	26,910	27,547	29,463	33,811	→
Chatham-Kent	Census Agglomeration	Ontario	111,546	111,085	105,969	105,168	110,986	→
Cobourg	Census Agglomeration	Ontario	17,959	18,702	19,324	20,178	20,854	→
Collingwood	Census Agglomeration	Ontario	16,947	18,116	20,373	22,710	26,846	→
Cornwall	Census Agglomeration	Ontario	60,079	60,263	60,530	61,645	66,351	→
Elliot Lake	Census Agglomeration	Ontario	12,109	11,671	11,212	11,083	12,115	→
Essa (Angus - Borden)	Census Agglomeration	Ontario	17,527	17,800	19,504	22,123	25,125	→
Greater Sudbury (Grand Sudbury)	Metropolitan Area	Ontario	165,164	168,485	169,572	171,705	185,230	→
Guelph	Metropolitan Area	Ontario	130,568	140,202	147,997	160,702	180,476	→
Hamilton	Metropolitan Area	Ontario	697,366	721,934	748,466	779,719	841,186	→
Hawkesbury	Census Agglomeration	Ontario / Québec	12,055	12,351	12,242	12,173	12,668	→
Ingersoll	Census Agglomeration	Ontario	11,471	12,104	12,585	13,287	14,642	→
Kawartha Lakes (Lindsay)	Census Agglomeration	Ontario	72,887	76,146	75,479	78,384	85,117	→
Kenora	Census Agglomeration	Ontario	16,319	15,505	15,599	15,660	15,612	→
Kingston	Metropolitan Area	Ontario	154,873	158,700	164,384	169,997	188,267	→
Kitchener - Cambridge - Waterloo (Tri-Cities)	Metropolitan Area	Ontario	455,905	492,541	517,628	553,879	665,188	→
London	Metropolitan Area	Ontario	458,700	478,822	492,475	523,022	608,343	→
Midland	Census Agglomeration	Ontario	25,700	26,393	26,084	27,263	29,957	→
Norfolk (Simcoe)	Census Agglomeration	Ontario	63,534	64,492	64,351	66,423	73,730	→
North Bay	Census Agglomeration	Ontario	73,225	74,049	74,045	73,118	79,732	→
Orillia	Census Agglomeration	Ontario	30,481	31,261	31,711	32,501	36,316	→
Oshawa	Metropolitan Area	Ontario	315,315	347,944	372,501	398,669	464,356	→
Ottawa - Gatineau (National Capital Region; incl. Arnprior, Carleton Place)	Metropolitan Area	Ontario / Québec	1,186,232	1,250,095	1,351,419	1,437,124	1,609,805	→
Owen Sound	Census Agglomeration	Ontario	32,893	33,121	32,593	32,715	34,757	→
Pembroke	Census Agglomeration	Ontario	23,175	24,156	24,859	24,110	25,068	→
Petawawa	Census Agglomeration	Ontario	14,993	15,612	16,570	17,742	19,464	→
Peterborough	Metropolitan Area	Ontario	116,685	120,596	122,554	127,603	142,737	→
Port Hope	Census Agglomeration	Ontario	16,269	16,764	16,492	17,424	18,707	→
Sarnia	Census Agglomeration	Ontario	99,665	99,529	99,623	99,041	106,984	→
Sault Ste. Marie	Census Agglomeration	Ontario	82,226	82,792	82,201	80,145	85,033	→
St. Catharines - Niagara	Metropolitan Area	Ontario	394,752	402,926	404,937	425,266	478,261	→
Stratford	Census Agglomeration	Ontario	31,218	31,553	31,781	32,753	35,421	→
Thunder Bay	Metropolitan Area	Ontario	126,836	125,921	125,063	126,189	130,752	→
Tillsonburg	Census Agglomeration	Ontario	14,645	15,253	16,041	16,786	19,767	→
Timmins	Census Agglomeration	Ontario	45,259	44,430	44,259	42,636	44,819	→
Toronto (Greater Toronto Area)	Metropolitan Area	Ontario	5,004,342	5,418,316	5,852,887	6,202,798	6,804,847	→
Wasaga Beach	Census Agglomeration	Ontario	13,472	15,892	18,576	22,168	27,595	→
Windsor (incl. Leamington)	Metropolitan Area	Ontario	397,124	406,874	400,460	416,871	467,973	→
Woodstock	Census Agglomeration	Ontario	35,516	37,443	40,105	43,280	51,387	→

Source: Statistics Canada.

Explanation: Metropolitan areas and census agglomerations according to the 2021 definition. In contrast to census figures, population estimates are adjusted for underenumeration.