The map above shows Indiana and North Dakota side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs North Dakota Geography
Land area: Indiana has a land area of 35,825 square miles (92,787 km²), while North Dakota has 68,994 square miles (178,694 km²). North Dakota's land area is 1.9 times (93%) larger than Indiana's.
Total area: Indiana: 36,421 square miles (94,331 km²) vs North Dakota: 70,699 square miles (183,109 km²), including inland and coastal water. North Dakota's total area is 1.9 times (94%) larger than Indiana's.
Length: Indiana is 276 miles (444 km) long from north to south; North Dakota is 338 miles (544 km). North Dakota's north-south length is 1.2 times (22%) longer than Indiana's.
Width: Indiana spans 193 miles (310 km) east to west; North Dakota spans 408 miles (657 km). North Dakota's east-west width is 2.1 times (111%) wider than Indiana's.
Highest point: Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); North Dakota's is White Butte at 3,500 feet (1,067 m). White Butte is 2,245 feet higher than Hoosier Hill.
Lowest point: Indiana's lowest point is Ohio River at 330 feet; North Dakota's is Red River of the North at 754 feet. Indiana's lowest point is 424 feet lower.
Indiana vs North Dakota Population and History
Population: Indiana has a population of 6,924,275 (2024), while North Dakota has 796,568 (2024). Indiana's population is 8.7 times (769%) larger than North Dakota's.
Population density: Indiana: 193.3 people per square mile vs North Dakota: 11.5. Indiana's population density is 16.8 times higher than North Dakota's.
Biggest city: Indiana's biggest city is Indianapolis with 891,484 people; North Dakota's is Fargo with 136,285. Indianapolis' population is 6.5 times (554%) larger than Fargo's.
Largest metro area: Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs North Dakota's Fargo, ND-MN metro area (267,793). Chicago-Naperville-Elgin, IL-IN metro area's population is 35.1 times larger than Fargo, ND-MN metro area's.
History: Indiana: Admitted to the Union on December 11, 1816, as the 19th state. North Dakota: Admitted to the Union on November 2, 1889, as the 39th state. In its current form, Indiana is the older of the two by 73 years.
Indiana vs North Dakota Economy
GDP: Indiana's GDP is $519.5 billion (2024) vs North Dakota's $80.1 billion. Indiana's economic output is 6.5 times (549%) larger than North Dakota's.
GDP per capita: Indiana: $75,028 per person vs North Dakota: $100,504. North Dakota's GDP per capita is 1.3 times (34%) higher than Indiana's.
Average income: Indiana: $64,077 vs North Dakota: $71,749 average income per person (per capita personal income). North Dakota's average income is 1.1 times (12%) higher than Indiana's.
Indiana vs North Dakota Counties
Number of counties: Indiana has 92 counties, while North Dakota has 53. Indiana's county count is 1.7 times (74%) higher than North Dakota's.
Biggest county by area: Indiana's largest county is Allen County at 657 square miles; North Dakota's is McKenzie County at 2,760 square miles. McKenzie County's land area is 4.2 times (320%) larger than Allen County's.
Smallest county by area: Indiana: Ohio County (86 sq mi) vs North Dakota: Eddy County (630 sq mi). Eddy County's land area is 7.3 times (631%) larger than Ohio County's.
Most populous county: Indiana: Marion County (981,628 people) vs North Dakota: Cass County (200,945 people). Marion County's population is 4.9 times (389%) larger than Cass County's.
Least populous county: Indiana: Ohio County (5,996 people) vs North Dakota: Slope County (660 people). Ohio County's population is 9.1 times (808%) larger than Slope County's.
Richest county: Indiana: Hamilton County ($104,283 per capita income) vs North Dakota: Dunn County ($99,793). Hamilton County and Dunn County have about the same income.
Poorest county: Indiana: Miami County ($44,940 per capita income) vs North Dakota: Sioux County ($33,782). Miami County's income is 1.3 times (33%) richer than Sioux County's.
Indiana vs North Dakota Taxes
State income tax: Indiana has a top income tax rate of 2.95%, while North Dakota has a top income tax rate of 2.5%. Indiana's top rate is 0.45 percentage points higher.
Property tax: Indiana: 0.74% effective rate vs North Dakota: 0.96% of home value per year. North Dakota's rate is 0.22 percentage points higher.
Sales tax: Indiana: 7% combined state and average local rate vs North Dakota: 7.09%. North Dakota's combined rate is 0.09 percentage points higher.
Official Websites
Indiana official website · North Dakota official website
More Size Comparisons
All Indiana size comparisons · All North Dakota 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.