The map above shows North Dakota and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
North Dakota vs Ohio Geography
Land area
- North Dakota has a land area of 68,994 square miles (178,694 km²), while Ohio has 40,859 square miles (105,824 km²).
- North Dakota's land area is 1.7 times (69%) larger than Ohio's.
Total area
- North Dakota: 70,699 square miles (183,109 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water.
- North Dakota's total area is 1.6 times (58%) larger than Ohio's.
Length
- North Dakota is 338 miles (544 km) long from north to south; Ohio is 291 miles (468 km).
- North Dakota's north-south length is 1.2 times (16%) longer than Ohio's.
Width
- North Dakota spans 408 miles (657 km) east to west; Ohio spans 317 miles (510 km).
- North Dakota's east-west width is 1.3 times (29%) wider than Ohio's.
Highest point
- North Dakota's highest point is White Butte at 3,500 feet (1,067 m); Ohio's is Campbell Hill at 1,547 feet (472 m).
- White Butte is 1,953 feet higher than Campbell Hill.
Lowest point
- North Dakota's lowest point is Red River of the North at 754 feet; Ohio's is Ohio River at 455 feet.
- Ohio's lowest point is 299 feet lower.
North Dakota vs Ohio Population and History
Population
- North Dakota has a population of 796,568 (2024), while Ohio has 11,883,304 (2024).
- Ohio's population is 14.9 times larger than North Dakota's.
Population density
- North Dakota: 11.5 people per square mile vs Ohio: 290.8.
- Ohio's population density is 25.3 times higher than North Dakota's.
Biggest city
- North Dakota's biggest city is Fargo with 136,285 people; Ohio's is Columbus with 933,263.
- Columbus' population is 6.8 times (585%) larger than Fargo's.
Largest metro area
- North Dakota's largest metropolitan area is Fargo, ND-MN metro area (267,793 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815).
- Cincinnati, OH-KY-IN metro area's population is 8.6 times (760%) larger than Fargo, ND-MN metro area's.
History
- North Dakota: Admitted to the Union on November 2, 1889, as the 39th state.
- Ohio: Admitted to the Union on March 1, 1803, as the 17th state.
- In its current form, Ohio is the older of the two by 86 years.
North Dakota vs Ohio Economy
GDP
- North Dakota's GDP is $80.1 billion (2024) vs Ohio's $923.1 billion.
- Ohio's economic output is 11.5 times larger than North Dakota's.
GDP per capita
- North Dakota: $100,504 per person vs Ohio: $77,684.
- North Dakota's GDP per capita is 1.3 times (29%) higher than Ohio's.
Average income
- North Dakota: $71,749 vs Ohio: $64,464 average income per person (per capita personal income).
- North Dakota's average income is 1.1 times (11%) higher than Ohio's.
North Dakota vs Ohio Counties
Number of counties
- North Dakota has 53 counties, while Ohio has 88.
- Ohio's county count is 1.7 times (66%) higher than North Dakota's.
Biggest county by area
- North Dakota's largest county is McKenzie County at 2,760 square miles; Ohio's is Ashtabula County at 702 square miles.
- McKenzie County's land area is 3.9 times (293%) larger than Ashtabula County's.
Smallest county by area
- North Dakota: Eddy County (630 sq mi) vs Ohio: Lake County (229 sq mi).
- Eddy County's land area is 2.7 times (175%) larger than Lake County's.
Most populous county
- North Dakota: Cass County (200,945 people) vs Ohio: Franklin County (1,356,303 people).
- Franklin County's population is 6.7 times (575%) larger than Cass County's.
Least populous county
- North Dakota: Slope County (660 people) vs Ohio: Vinton County (12,545 people).
- Vinton County's population is 19.0 times larger than Slope County's.
Richest county
- North Dakota: Dunn County ($99,793 per capita income) vs Ohio: Delaware County ($96,573).
- Dunn County and Delaware County have about the same income.
Poorest county
- North Dakota: Sioux County ($33,782 per capita income) vs Ohio: Noble County ($34,940).
- Sioux County and Noble County have about the same income.
North Dakota vs Ohio Taxes
State income tax
- North Dakota has a top income tax rate of 2.5%, while Ohio has a top income tax rate of 2.75%.
- Ohio's top rate is 0.25 percentage points higher.
Property tax
- North Dakota: 0.96% effective rate vs Ohio: 1.22% of home value per year.
- Ohio's rate is 0.26 percentage points higher.
Sales tax
- North Dakota: 7.09% combined state and average local rate vs Ohio: 7.29%.
- Ohio's combined rate is 0.2 percentage points higher.
Official Websites
North Dakota official website · Ohio official website
Download the North Dakota vs Ohio Size Comparison Map for free

To download the map, right-click the image above (or press and hold on a phone or tablet) and choose Save image as. The map is free to use anywhere, including on your own website or in print, as long as you credit it with a link back to this page or to BrilliantMaps.com.
More Size Comparisons
All North Dakota size comparisons · All Ohio 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.