Ontario Population (2026)
Population of Ontario with area, density and how it compares to nearby places.
Population of Ontario
Ontario ranks #1 by population among 13 comparable places in this atlas.
Quick facts about Ontario
| Type | Province |
|---|---|
| Country | Canada |
| Continent | North America |
| Coordinates | 51°15′13.7″N 85°19′23.5″W (51.2538, -85.3232) |
| Capital | Toronto |
| Population | 15.600.000 |
| Area | 415.598 sq mi |
| Time zone | America/Toronto |
| Local time | 7:33 PM (UTC-04:00) |
| Best months | June, July, August and September |
| Climate | Subarctic |
Population by city in Ontario
3 cities mapped in this atlas
Population by state park in Ontario
1 state and provincial parks mapped in this atlas
Summary
Ontario is a province in Canada. Ontario is a Canadian province or territory. It has a population of about 15.6 million. The capital is Toronto.
Right now it is 54°F (12°C) in Ontario with clear. It feels like 51°F. Today runs from 49°F to 63°F. Chance of precipitation is 2%. Sightseeing conditions score 9.1/10 - excellent - go now.
The best time to visit Ontario is June, July, August and September. The climate is subarctic. February, November and December tend to be the least comfortable months. July is the warmest month with average highs near 77°F, while January is the coldest with lows near -7°F.
The closest major airport is Toronto Pearson International Airport (YYZ), about 587 mi away. Nearby highlights include CN Tower and Algonquin Provincial Park.
In plain terms. Today is cooler than average for August. The forecast high of 63°F is 10.8°F below the 73°F typical for this month. The best window to be outside is roughly 2 PM to 5 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Ontario today at 9.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Map of Ontario
Interactive map with nearby places. Switch between street, terrain and satellite views.
Coordinates: 51°15′13.7″N 85°19′23.5″W (51.2538, -85.3232)
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
Population for related places
Frequently asked questions
Where is Ontario?
Ontario is a province in Canada. Its coordinates are 51.2538, -85.3232. It lies in North America.
What is the weather like in Ontario right now?
It is currently 54°F (12°C) with clear. Humidity is 77% and wind is 6 mph.
When is the best time to visit Ontario?
June, July, August and September offer the most comfortable conditions in Ontario, which has a subarctic climate. February, November and December are usually the hardest months for outdoor plans.
What time zone is Ontario in?
Ontario observes America/Toronto (UTC-04:00). The local time is 7:33 PM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport to Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 587 mi away.
What are the top things to do in Ontario?
Popular options include CN Tower and Algonquin Provincial Park.
What places are in Ontario?
Ontario covers 4 places in this atlas, including Ottawa, Toronto, Algonquin Provincial Park and Niagara Falls, Ontario.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (ca-provinces) - coordinates, hierarchy and facts. |
|---|---|
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 24, 2026 at 7:33 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
