The map above shows North Dakota and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
North Dakota vs Ontario Geography
Land area
- North Dakota has a land area of 68,994 square miles (178,694 km²), while Ontario has 354,342 square miles (917,741 km²).
- Ontario's land area is 5.1 times (414%) larger than North Dakota's.
Total area
- North Dakota: 70,699 square miles (183,109 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water.
- Ontario's total area is 5.9 times (488%) larger than North Dakota's.
Length
- North Dakota is 338 miles (544 km) long from north to south; Ontario is 1,085 miles (1,747 km).
- Ontario's north-south length is 3.2 times (221%) longer than North Dakota's.
Width
- North Dakota spans 408 miles (657 km) east to west; Ontario spans 1,013 miles (1,630 km).
- Ontario's east-west width is 2.5 times (148%) wider than North Dakota's.
Highest point
- North Dakota's highest point is White Butte at 3,500 feet (1,067 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m).
- White Butte is 1,226 feet higher than Ishpatina Ridge.
Lowest point
- North Dakota's lowest point is Red River of the North at 754 feet; Ontario's is Hudson Bay at 0 feet.
- Ontario's lowest point is 754 feet lower.
North Dakota vs Ontario Population and History
Population
- North Dakota has a population of 796,568 (2024), while Ontario has 16,136,480 (2026).
- Ontario's population is 20.3 times larger than North Dakota's.
Population density
- North Dakota: 11.5 people per square mile vs Ontario: 45.5.
- Ontario's population density is 4.0 times (296%) higher than North Dakota's.
Biggest city
- North Dakota's biggest city is Fargo with 136,285 people; Ontario's is Toronto with 2,794,356.
- Toronto's population is 20.5 times larger than Fargo's.
Largest metro area
- North Dakota's largest metropolitan area is Fargo, ND-MN metro area (267,793 people) vs Ontario's Toronto CMA (6,202,225).
- Toronto CMA's population is 23.2 times larger than Fargo, ND-MN metro area's.
History
- North Dakota: Admitted to the Union on November 2, 1889, as the 39th 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 22 years.
North Dakota vs Ontario Economy
GDP
- North Dakota's GDP is $80.1 billion (2024) vs Ontario's $873.9 billion.
- Ontario's economic output is 10.9 times larger than North Dakota's.
GDP per capita
- North Dakota: $100,504 per person vs Ontario: $54,132.
- North Dakota's GDP per capita is 1.9 times (86%) higher than Ontario's.
Official Websites
North Dakota official website · Ontario official website
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More Size Comparisons
All North Dakota 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.