The map above shows Ontario and Saskatchewan side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ontario vs Saskatchewan Geography
Land area: Ontario has a land area of 354,342 square miles (917,741 km²), while Saskatchewan has 228,445 square miles (591,670 km²). Ontario's land area is 1.6 times (55%) larger than Saskatchewan's.
Total area: Ontario: 415,598 square miles (1,076,395 km²) vs Saskatchewan: 251,366 square miles (651,036 km²), including inland and coastal water. Ontario's total area is 1.7 times (65%) larger than Saskatchewan's.
Length: Ontario is 1,085 miles (1,747 km) long from north to south; Saskatchewan is 796 miles (1,282 km). Ontario's north-south length is 1.4 times (36%) longer than Saskatchewan's.
Width: Ontario spans 1,013 miles (1,630 km) east to west; Saskatchewan spans 391 miles (630 km). Ontario's east-west width is 2.6 times (159%) wider than Saskatchewan's.
Highest point: Ontario's highest point is Ishpatina Ridge at 2,274 feet (693 m); Saskatchewan's is Cypress Hills at 4,567 feet (1,392 m). Cypress Hills is 2,293 feet higher than Ishpatina Ridge.
Lowest point: Ontario's lowest point is Hudson Bay at 0 feet; Saskatchewan's is Lake Athabasca at 699 feet. Ontario's lowest point is 699 feet lower.
Ontario vs Saskatchewan Population and History
Population: Ontario has a population of 16,136,480 (2026), while Saskatchewan has 1,265,936 (2026). Ontario's population is 12.7 times larger than Saskatchewan's.
Population density: Ontario: 45.5 people per square mile vs Saskatchewan: 5.5. Ontario's population density is 8.3 times (727%) higher than Saskatchewan's.
Biggest city: Ontario's biggest city is Toronto with 2,794,356 people; Saskatchewan's is Saskatoon with 266,141. Toronto's population is 10.5 times larger than Saskatoon's.
Largest metro area: Ontario's largest metropolitan area is Toronto CMA (6,202,225 people) vs Saskatchewan's Saskatoon CMA (317,480). Toronto CMA's population is 19.5 times larger than Saskatoon CMA's.
History: Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces. Saskatchewan: Joined Confederation on September 1, 1905. In its current form, Ontario is the older of the two by 38 years.
Ontario vs Saskatchewan Economy
GDP: Ontario's GDP is $873.9 billion (2024) vs Saskatchewan's $82.4 billion. Ontario's economic output is 10.6 times larger than Saskatchewan's.
GDP per capita: Ontario: $54,132 per person vs Saskatchewan: $66,019. Saskatchewan's GDP per capita is 1.2 times (22%) higher than Ontario's.
Official Websites
Ontario official website · Saskatchewan official website
More Size Comparisons
All Ontario size comparisons · All Saskatchewan 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.