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
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.