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 2022-07-01	Population Estimate 2025-07-01
Ontario	Province	12,093,412	12,765,133	13,392,364	14,078,499	15,141,455	16,258,260	→
Canada	Country	31,359,199	32,888,886	34,713,395	36,545,075	38,935,934	41,651,653

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 2022-07-01	Population Estimate 2025-07-01
Barrie	Metropolitan Area	Ontario	161,594	186,496	194,593	206,896	230,022	252,446	→
Belleville	Metropolitan Area	Ontario	100,915	104,512	104,639	108,194	118,469	124,978	→
Brantford	Metropolitan Area	Ontario	129,635	136,306	139,770	146,115	161,442	176,307	→
Brockville	Census Agglomeration	Ontario	32,728	32,944	31,798	31,912	33,278	33,946	→
Centre Wellington (Fergus)	Census Agglomeration	Ontario	25,488	26,910	27,547	29,463	33,147	35,736	→
Chatham-Kent	Census Agglomeration	Ontario	111,546	111,085	105,969	105,168	109,440	112,977	→
Cobourg	Census Agglomeration	Ontario	17,959	18,702	19,324	20,178	20,978	21,028	→
Collingwood	Census Agglomeration	Ontario	16,947	18,116	20,373	22,710	26,273	27,266	→
Cornwall	Census Agglomeration	Ontario	60,079	60,263	60,530	61,645	64,435	68,503	→
Elliot Lake	Census Agglomeration	Ontario	12,109	11,671	11,212	11,083	11,917	11,901	→
Essa (Angus - Borden)	Census Agglomeration	Ontario	17,527	17,800	19,504	22,123	24,615	25,868	→
Greater Sudbury (Grand Sudbury)	Metropolitan Area	Ontario	165,164	168,485	169,572	171,705	180,100	194,278	→
Guelph	Metropolitan Area	Ontario	130,568	140,202	147,997	160,702	176,492	183,134	→
Hamilton	Metropolitan Area	Ontario	697,366	721,934	748,466	779,719	827,398	871,143	→
Hawkesbury	Census Agglomeration	Ontario / Québec	12,055	12,351	12,242	12,173	12,434	13,134	→
Ingersoll	Census Agglomeration	Ontario	11,471	12,104	12,585	13,287	14,457	15,042	→
Kawartha Lakes (Lindsay)	Census Agglomeration	Ontario	72,887	76,146	75,479	78,384	83,694	85,223	→
Kenora	Census Agglomeration	Ontario	16,319	15,505	15,599	15,660	15,568	15,370	→
Kingston	Metropolitan Area	Ontario	154,873	158,700	164,384	169,997	184,063	193,466	→
Kitchener - Cambridge - Waterloo (Tri-Cities)	Metropolitan Area	Ontario	455,905	492,541	517,628	553,879	626,735	701,568	→
London	Metropolitan Area	Ontario	458,700	478,822	492,475	523,022	585,834	633,002	→
Midland	Census Agglomeration	Ontario	25,700	26,393	26,084	27,263	29,475	30,087	→
Norfolk (Simcoe)	Census Agglomeration	Ontario	63,534	64,492	64,351	66,423	72,231	75,773	→
North Bay	Census Agglomeration	Ontario	73,225	74,049	74,045	73,118	76,774	84,834	→
Orillia	Census Agglomeration	Ontario	30,481	31,261	31,711	32,501	35,467	37,477	→
Oshawa	Metropolitan Area	Ontario	315,315	347,944	372,501	398,669	447,764	493,441	→
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	1,568,019	1,700,014	→
Owen Sound	Census Agglomeration	Ontario	32,893	33,121	32,593	32,715	34,359	35,534	→
Pembroke	Census Agglomeration	Ontario	23,175	24,156	24,859	24,110	24,816	24,465	→
Petawawa	Census Agglomeration	Ontario	14,993	15,612	16,570	17,742	19,304	20,890	→
Peterborough	Metropolitan Area	Ontario	116,685	120,596	122,554	127,603	136,963	149,938	→
Port Hope	Census Agglomeration	Ontario	16,269	16,764	16,492	17,424	18,354	18,565	→
Sarnia	Census Agglomeration	Ontario	99,665	99,529	99,623	99,041	104,135	108,986	→
Sault Ste. Marie	Census Agglomeration	Ontario	82,226	82,792	82,201	80,145	81,955	88,307	→
St. Catharines - Niagara	Metropolitan Area	Ontario	394,752	402,926	404,937	425,266	462,037	503,670	→
Stratford	Census Agglomeration	Ontario	31,218	31,553	31,781	32,753	34,865	35,702	→
Thunder Bay	Metropolitan Area	Ontario	126,836	125,921	125,063	126,189	128,931	133,765	→
Tillsonburg	Census Agglomeration	Ontario	14,645	15,253	16,041	16,786	19,049	20,575	→
Timmins	Census Agglomeration	Ontario	45,259	44,430	44,259	42,636	43,108	45,983	→
Toronto (Greater Toronto Area)	Metropolitan Area	Ontario	5,004,342	5,418,316	5,852,887	6,202,798	6,582,012	7,108,874	→
Wasaga Beach	Census Agglomeration	Ontario	13,472	15,892	18,576	22,168	26,613	29,039	→
Windsor (incl. Leamington)	Metropolitan Area	Ontario	397,124	406,874	400,460	416,871	452,394	488,738	→
Woodstock	Census Agglomeration	Ontario	35,516	37,443	40,105	43,280	50,054	53,801	→

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.