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Iowa vs Ohio Size Comparison Map

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IOWA VS OHIOOverlaid at the same scaleIowa56,273 sq mi (145,746 km²)Ohio44,826 sq mi (116,098 km²)Iowa is 1.3 times (26%) larger than Ohio. brilliantmaps.com

The map above shows Iowa and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.

Iowa vs Ohio Geography

Land area

  • Iowa has a land area of 55,854 square miles (144,660 km²), while Ohio has 40,859 square miles (105,824 km²).
  • Iowa's land area is 1.4 times (37%) larger than Ohio's.

Total area

  • Iowa: 56,273 square miles (145,746 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water.
  • Iowa's total area is 1.3 times (26%) larger than Ohio's.

Length

  • Iowa is 216 miles (347 km) long from north to south; Ohio is 291 miles (468 km).
  • Ohio's north-south length is 1.3 times (35%) longer than Iowa's.

Width

  • Iowa spans 335 miles (539 km) east to west; Ohio spans 317 miles (510 km).
  • Iowa's east-west width is 1.1 times (6%) wider than Ohio's.

Highest point

  • Iowa's highest point is Hawkeye Point at 1,669 feet (509 m); Ohio's is Campbell Hill at 1,547 feet (472 m).
  • Hawkeye Point is 122 feet higher than Campbell Hill.

Lowest point

  • Iowa's lowest point is Mississippi River at 480 feet; Ohio's is Ohio River at 455 feet.
  • Ohio's lowest point is 25 feet lower.

Iowa vs Ohio Population and History

Population

  • Iowa has a population of 3,241,488 (2024), while Ohio has 11,883,304 (2024).
  • Ohio's population is 3.7 times (267%) larger than Iowa's.

Population density

  • Iowa: 58.0 people per square mile vs Ohio: 290.8.
  • Ohio's population density is 5.0 times (401%) higher than Iowa's.

Biggest city

  • Iowa's biggest city is Des Moines with 213,096 people; Ohio's is Columbus with 933,263.
  • Columbus' population is 4.4 times (338%) larger than Des Moines'.

Largest metro area

  • Iowa's largest metropolitan area is Omaha, NE-IA metro area (1,001,010 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815).
  • Cincinnati, OH-KY-IN metro area's population is 2.3 times (130%) larger than Omaha, NE-IA metro area's.

History

  • Iowa: Admitted to the Union on December 28, 1846, as the 29th 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 43 years.

Iowa vs Ohio Economy

GDP

  • Iowa's GDP is $265.8 billion (2024) vs Ohio's $923.1 billion.
  • Ohio's economic output is 3.5 times (247%) larger than Iowa's.

GDP per capita

  • Iowa: $81,998 per person vs Ohio: $77,684.
  • Iowa's GDP per capita is 1.1 times (6%) higher than Ohio's.

Average income

  • Iowa: $65,225 vs Ohio: $64,464 average income per person (per capita personal income).
  • Iowa and Ohio have about the same average income.

Iowa vs Ohio Counties

Number of counties

  • Iowa has 99 counties, while Ohio has 88.
  • Iowa's county count is 1.1 times (13%) higher than Ohio's.

Biggest county by area

  • Iowa's largest county is Kossuth County at 973 square miles; Ohio's is Ashtabula County at 702 square miles.
  • Kossuth County's land area is 1.4 times (38%) larger than Ashtabula County's.

Smallest county by area

  • Iowa: Dickinson County (381 sq mi) vs Ohio: Lake County (229 sq mi).
  • Dickinson County's land area is 1.7 times (66%) larger than Lake County's.

Most populous county

  • Iowa: Polk County (516,185 people) vs Ohio: Franklin County (1,356,303 people).
  • Franklin County's population is 2.6 times (163%) larger than Polk County's.

Least populous county

  • Iowa: Adams County (3,606 people) vs Ohio: Vinton County (12,545 people).
  • Vinton County's population is 3.5 times (248%) larger than Adams County's.

Richest county

  • Iowa: Mitchell County ($98,211 per capita income) vs Ohio: Delaware County ($96,573).
  • Mitchell County and Delaware County have about the same income.

Poorest county

  • Iowa: Decatur County ($46,134 per capita income) vs Ohio: Noble County ($34,940).
  • Decatur County's income is 1.3 times (32%) richer than Noble County's.

Iowa vs Ohio Taxes

State income tax

  • Iowa has a top income tax rate of 3.8%, while Ohio has a top income tax rate of 2.75%.
  • Iowa's top rate is 1.05 percentage points higher.

Property tax

  • Iowa: 1.29% effective rate vs Ohio: 1.22% of home value per year.
  • Iowa's rate is 0.07 percentage points higher.

Sales tax

  • Iowa: 6.94% combined state and average local rate vs Ohio: 7.29%.
  • Ohio's combined rate is 0.35 percentage points higher.

Official Websites

Iowa official website · Ohio official website

Download the Iowa vs Ohio Size Comparison Map for free

Iowa vs Ohio Size Comparison Map

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More Size Comparisons

All Iowa 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.