The map above shows Tennessee and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Tennessee vs Ontario Geography
Land area: Tennessee has a land area of 41,224 square miles (106,770 km²), while Ontario has 354,342 square miles (917,741 km²). Ontario's land area is 8.6 times (760%) larger than Tennessee's.
Total area: Tennessee: 42,130 square miles (109,116 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water. Ontario's total area is 9.9 times (886%) larger than Tennessee's.
Length: Tennessee is 191 miles (308 km) long from north to south; Ontario is 1,085 miles (1,747 km). Ontario's north-south length is 5.7 times (468%) longer than Tennessee's.
Width: Tennessee spans 497 miles (800 km) east to west; Ontario spans 1,013 miles (1,630 km). Ontario's east-west width is 2.0 times (104%) wider than Tennessee's.
Highest point: Tennessee's highest point is Clingmans Dome at 6,624 feet (2,019 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m). Clingmans Dome is 4,350 feet higher than Ishpatina Ridge.
Lowest point: Tennessee's lowest point is Mississippi River at 178 feet; Ontario's is Hudson Bay at 0 feet. Ontario's lowest point is 178 feet lower.
Tennessee vs Ontario Population and History
Population: Tennessee has a population of 7,227,750 (2024), while Ontario has 16,136,480 (2026). Ontario's population is 2.2 times (123%) larger than Tennessee's.
Population density: Tennessee: 175.3 people per square mile vs Ontario: 45.5. Tennessee's population density is 3.9 times (285%) higher than Ontario's.
Biggest city: Tennessee's biggest city is Nashville with 704,963 people; Ontario's is Toronto with 2,794,356. Toronto's population is 4.0 times (296%) larger than Nashville's.
Largest metro area: Tennessee's largest metropolitan area is Nashville-Davidson--Murfreesboro--Franklin, TN metro area (2,150,553 people) vs Ontario's Toronto CMA (6,202,225). Toronto CMA's population is 2.9 times (188%) larger than Nashville-Davidson--Murfreesboro--Franklin, TN metro area's.
History: Tennessee: Admitted to the Union on June 1, 1796, as the 16th state. Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, Tennessee is the older of the two by 71 years.
Tennessee vs Ontario Economy
GDP: Tennessee's GDP is $561.2 billion (2024) vs Ontario's $873.9 billion. Ontario's economic output is 1.6 times (56%) larger than Tennessee's.
GDP per capita: Tennessee: $77,645 per person vs Ontario: $54,132. Tennessee's GDP per capita is 1.4 times (43%) higher than Ontario's.
Official Websites
Tennessee official website · Ontario official website
More Size Comparisons
All Tennessee 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.