The map above shows Ontario and Quebec side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ontario vs Quebec Geography
Land area: Ontario has a land area of 354,342 square miles (917,741 km²), while Quebec has 527,079 square miles (1,365,128 km²). Quebec's land area is 1.5 times (49%) larger than Ontario's.
Total area: Ontario: 415,598 square miles (1,076,395 km²) vs Quebec: 595,391 square miles (1,542,056 km²), including inland and coastal water. Quebec's total area is 1.4 times (43%) larger than Ontario's.
Length: Ontario is 1,085 miles (1,747 km) long from north to south; Quebec is 1,221 miles (1,965 km). Quebec's north-south length is 1.1 times (13%) longer than Ontario's.
Width: Ontario spans 1,013 miles (1,630 km) east to west; Quebec spans 963 miles (1,550 km). Ontario's east-west width is 1.1 times (5%) wider than Quebec's.
Highest point: Ontario's highest point is Ishpatina Ridge at 2,274 feet (693 m); Quebec's is Mont d'Iberville at 5,420 feet (1,652 m). Mont d'Iberville is 3,146 feet higher than Ishpatina Ridge.
Lowest point: Ontario's lowest point is Hudson Bay at 0 feet; Quebec's is Gulf of St. Lawrence at 0 feet. Both lowest points are at or near sea level.
Ontario vs Quebec Population and History
Population: Ontario has a population of 16,136,480 (2026), while Quebec has 9,033,887 (2026). Ontario's population is 1.8 times (79%) larger than Quebec's.
Population density: Ontario: 45.5 people per square mile vs Quebec: 17.1. Ontario's population density is 2.7 times (166%) higher than Quebec's.
Biggest city: Ontario's biggest city is Toronto with 2,794,356 people; Quebec's is Montreal with 1,762,949. Toronto's population is 1.6 times (59%) larger than Montreal's.
Largest metro area: Ontario's largest metropolitan area is Toronto CMA (6,202,225 people) vs Quebec's Montreal CMA (4,291,732). Toronto CMA's population is 1.4 times (45%) larger than Montreal CMA's.
History: Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces. Quebec: Joined Confederation on July 1, 1867, as one of the four founding provinces.
Ontario vs Quebec Economy
GDP: Ontario's GDP is $873.9 billion (2024) vs Quebec's $450.3 billion. Ontario's economic output is 1.9 times (94%) larger than Quebec's.
GDP per capita: Ontario: $54,132 per person vs Quebec: $50,059. Ontario's GDP per capita is 1.1 times (8%) higher than Quebec's.
Official Websites
Ontario official website · Quebec official website
More Size Comparisons
All Ontario size comparisons · All Quebec size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.