The map above shows Utah and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Utah vs Ontario Geography
Land area: Utah has a land area of 82,596 square miles (213,922 km²), while Ontario has 354,342 square miles (917,741 km²). Ontario's land area is 4.3 times (329%) larger than Utah's.
Total area: Utah: 84,898 square miles (219,885 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water. Ontario's total area is 4.9 times (390%) larger than Utah's.
Length: Utah is 436 miles (702 km) long from north to south; Ontario is 1,085 miles (1,747 km). Ontario's north-south length is 2.5 times (149%) longer than Utah's.
Width: Utah spans 268 miles (431 km) east to west; Ontario spans 1,013 miles (1,630 km). Ontario's east-west width is 3.8 times (278%) wider than Utah's.
Highest point: Utah's highest point is Kings Peak at 13,512 feet (4,118 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m). Kings Peak is 11,238 feet higher than Ishpatina Ridge.
Lowest point: Utah's lowest point is Beaver Dam Wash at 2,180 feet; Ontario's is Hudson Bay at 0 feet. Ontario's lowest point is 2,180 feet lower.
Utah vs Ontario Population and History
Population: Utah has a population of 3,503,613 (2024), while Ontario has 16,136,480 (2026). Ontario's population is 4.6 times (361%) larger than Utah's.
Population density: Utah: 42.4 people per square mile vs Ontario: 45.5. Ontario's population density is 1.1 times (7%) higher than Utah's.
Biggest city: Utah's biggest city is Salt Lake City with 217,783 people; Ontario's is Toronto with 2,794,356. Toronto's population is 12.8 times larger than Salt Lake City's.
Largest metro area: Utah's largest metropolitan area is Salt Lake City-Murray, UT metro area (1,300,762 people) vs Ontario's Toronto CMA (6,202,225). Toronto CMA's population is 4.8 times (377%) larger than Salt Lake City-Murray, UT metro area's.
History: Utah: Admitted to the Union on January 4, 1896, as the 45th state. Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, Ontario is the older of the two by 29 years.
Utah vs Ontario Economy
GDP: Utah's GDP is $299.5 billion (2024) vs Ontario's $873.9 billion. Ontario's economic output is 2.9 times (192%) larger than Utah's.
GDP per capita: Utah: $85,475 per person vs Ontario: $54,132. Utah's GDP per capita is 1.6 times (58%) higher than Ontario's.
Official Websites
Utah official website · Ontario official website
More Size Comparisons
All Utah size comparisons · All Ontario 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.