What is the population of Ontario?

The population of Ontario is 14,279,196.

Where is Ontario located?

Ontario is located at latitude 49.250135627 and longitude -84.499834324. It is in Canada.

What is the area of Ontario?

The area of Ontario is 1076395 km².

What time zone is Ontario in?

Ontario is in the America/Nipigon time zone.

What is the official language of Ontario?

The official language of Ontario is English.

How has the population of Ontario changed?

The population of Ontario has increased from 952,004 (1851) to 14,279,196 (2017), a change of 1399.9%.

Ontario, CA

Ontario: province of Canada

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State Snapshot

Ontario at a glance

Ontario currently has 70 quality-checked populated place pages and 1 county pages linked on MapSof.

Browse state cities

Mapped cities & towns

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

County pages

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Largest city

Toronto

Population 2,731,571

Quick Facts about Ontario

Population	14,279,196
Country	Canada
Postal code	P, K, N, L, M
Area	1076395 km²
Official name	ኦንታሪዮ, Ontario, Ontario
Water as percent of area	14%
Land as percent of area	86%
Continent	North America
Easternmost point	Point(-74.344077 45.205168)
Northernmost point	Point(-88.884722222 56.856944444)
Latitude & Longitude	49.2501,-84.4998
Legislative body	Parliament of Ontario
Named for	Lake Ontario
Official language	English
Capital	Toronto
Establishment	July 01, 1867 (158 years ago)
Time Zone	America/Toronto, Central Time Zone, Eastern Time Zone
Local time	10:02:58 (13th April 2026)

Geography

Ontario is located at 49°15'0"N 84°29'59"W (49.250135627, -84.499834324). It has 10 neighbors: Michigan, Minnesota, New York, Ohio, Wisconsin, Manitoba, Northwest Territories, Nunavut, Quebec and Pennsylvania.

Ontario map

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The largest city of Ontario is Ottawa with a population of 812,129. Other cities include, Hamilton population 536,917, Oshawa population 308,875, Kitchener population 233,700 and Windsor population 217,188. See all Ontario cities & populated places.

Largest Cities in Ontario (more)

Cities, Towns, Villages, Neighborhoods & Other Populated Places in Ontario.

City Name	Title	Population
Toronto	Located in southeastern Canada on the northwestern shore of Lake Ontario, this is Canada's largest city and a major hub for finance, arts, and culture.	2,731,571
Ottawa	Located in southeastern Ontario, at the confluence of the Ottawa, Gatineau, and Rideau rivers, this city serves as the federal capital of Canada.	812,129
Hamilton	Located in Southern Ontario on the western end of Lake Ontario, this Canadian port city is a major industrial center.	536,917
London	Located in southwestern Ontario, this Canadian city is known for its educational and healthcare institutions, including Western University.	383,822
Oshawa	City in Durham Region, Ontario, Canada	308,875
Kitchener	City in Ontario, Canada	233,700
Windsor	City in Essex County, Ontario, Canada	217,188
Barrie	City in Ontario, Canada	197,059
Guelph	City in Ontario, Canada	115,760
Kingston	Located in southeastern Ontario, Kingston is a Canadian city known for its rich history and strategic position at the confluence of the St.	114,195
Waterloo	City in Ontario, Canada	104,986
Chatham-Kent	Rural municipality in Ontario, Canada	101,647
Thunder Bay	City in Thunder Bay District, province of Ontario, Canada	99,334
Ajax		90,167
Brantford	City in Ontario, Canada	87,759
Peterborough		75,877

Show more Ontario cities and populated places

Official website of Ontario

Official Website

Ontario has 10 neighbours.

Michigan Located in the Great Lakes region of the Midwestern United States, this state is recognized for its two peninsulas separated by the Straits of Mackinac.
Minnesota Located in the upper Midwest region of the United States, this state is home to the major cities of Minneapolis and Saint Paul.
New York Located in the northeastern United States, it is home to New York City, Albany, and Buffalo.
Ohio Located in the Midwest region of the United States, this state is home to major cities like Columbus, Cleveland, and Cincinnati.
Wisconsin Located in the upper Midwest of the United States, this state is bordered by Lake Michigan to the east and Lake Superior to the north.
Manitoba province of Canada
Northwest Territories territory of Canada
Nunavut territory of Canada
Québec province of Canada
Pennsylvania This Mid-Atlantic state is bordered by six other states and features a diverse landscape, from the Appalachian Mountains to the fertile farmlands.

Demographics

Year	Population	% Change	Method
1851	952,004	-	census
1861	1,396,091	31.81%	census
1871	1,620,851	13.87%	census
1881	1,926,922	15.88%	census
1891	2,114,321	8.86%	census
1901	2,182,947	3.14%	census
1911	2,527,292	13.63%	census
1921	2,933,662	13.85%	census
1931	3,431,683	14.51%	census
1941	3,787,655	9.4%	census
1951	4,597,542	17.62%	census
1956	5,404,933	14.94%	census
1961	6,236,092	13.33%	census
1966	6,960,870	10.41%	census
1971	7,703,106	9.64%	census
1976	8,264,465	6.79%	census
2011	12,851,821	35.69%	census
2015	13,733,544	6.42%	estimation process
2016	13,448,494	-2.12%	census
2017	14,279,196	5.82%	estimation process

Map of countries with a smaller population than Ontario

Other places with the same name (6)

Ontario, California The second most populous city in San Bernardino County, California. with a population of 183,393 people.
Ontario, Oregon city in Oregon, USA with a population of 11,140 people.
Ontario, New York human settlement in United States of America with a population of 10,173 people.
Ontario, Ohio city in Ohio, USA with a population of 6,102 people.
Ontario, Illinois unincorporated community in Illinois with a population of 871 people.
Ontario, Wisconsin village in Vernon County, Wisconsin, United States with a population of 561 people.