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Idaho vs Ohio Size Comparison Map

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IDAHO VS OHIOOverlaid at the same scaleIdaho83,569 sq mi (216,441 km²)Ohio44,826 sq mi (116,098 km²)Idaho is 1.9 times (86%) larger than Ohio. brilliantmaps.com

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

Idaho vs Ohio Geography

Land area

  • Idaho has a land area of 82,645 square miles (214,051 km²), while Ohio has 40,859 square miles (105,824 km²).
  • Idaho's land area is 2.0 times (102%) larger than Ohio's.

Total area

  • Idaho: 83,569 square miles (216,441 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water.
  • Idaho's total area is 1.9 times (86%) larger than Ohio's.

Length

  • Idaho is 483 miles (778 km) long from north to south; Ohio is 291 miles (468 km).
  • Idaho's north-south length is 1.7 times (66%) longer than Ohio's.

Width

  • Idaho spans 352 miles (566 km) east to west; Ohio spans 317 miles (510 km).
  • Idaho's east-west width is 1.1 times (11%) wider than Ohio's.

Highest point

  • Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Ohio's is Campbell Hill at 1,547 feet (472 m).
  • Borah Peak is 11,084 feet higher than Campbell Hill.

Lowest point

  • Idaho's lowest point is Snake River at 718 feet; Ohio's is Ohio River at 455 feet.
  • Ohio's lowest point is 263 feet lower.

Idaho vs Ohio Population and History

Population

  • Idaho has a population of 2,001,619 (2024), while Ohio has 11,883,304 (2024).
  • Ohio's population is 5.9 times (494%) larger than Idaho's.

Population density

  • Idaho: 24.2 people per square mile vs Ohio: 290.8.
  • Ohio's population density is 12.0 times higher than Idaho's.

Biggest city

  • Idaho's biggest city is Boise with 237,963 people; Ohio's is Columbus with 933,263.
  • Columbus' population is 3.9 times (292%) larger than Boise's.

Largest metro area

  • Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815).
  • Cincinnati, OH-KY-IN metro area's population is 2.7 times (172%) larger than Boise City, ID metro area's.

History

  • Idaho: Admitted to the Union on July 3, 1890, as the 43rd 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 87 years.

Idaho vs Ohio Economy

GDP

  • Idaho's GDP is $129.0 billion (2024) vs Ohio's $923.1 billion.
  • Ohio's economic output is 7.2 times (616%) larger than Idaho's.

GDP per capita

  • Idaho: $64,457 per person vs Ohio: $77,684.
  • Ohio's GDP per capita is 1.2 times (21%) higher than Idaho's.

Average income

  • Idaho: $62,323 vs Ohio: $64,464 average income per person (per capita personal income).
  • Idaho and Ohio have about the same average income.

Idaho vs Ohio Counties

Number of counties

  • Idaho has 44 counties, while Ohio has 88.
  • Ohio's county count is 2.0 times (100%) higher than Idaho's.

Biggest county by area

  • Idaho's largest county is Idaho County at 8,478 square miles; Ohio's is Ashtabula County at 702 square miles.
  • Idaho County's land area is 12.1 times larger than Ashtabula County's.

Smallest county by area

  • Idaho: Payette County (407 sq mi) vs Ohio: Lake County (229 sq mi).
  • Payette County's land area is 1.8 times (77%) larger than Lake County's.

Most populous county

  • Idaho: Ada County (535,799 people) vs Ohio: Franklin County (1,356,303 people).
  • Franklin County's population is 2.5 times (153%) larger than Ada County's.

Least populous county

  • Idaho: Clark County (794 people) vs Ohio: Vinton County (12,545 people).
  • Vinton County's population is 15.8 times larger than Clark County's.

Richest county

  • Idaho: Blaine County ($202,612 per capita income) vs Ohio: Delaware County ($96,573).
  • Blaine County's income is 2.1 times (110%) richer than Delaware County's.

Poorest county

  • Idaho: Madison County ($29,485 per capita income) vs Ohio: Noble County ($34,940).
  • Noble County's income is 1.2 times (19%) richer than Madison County's.

Idaho vs Ohio Taxes

State income tax

  • Idaho has a top income tax rate of 5.3%, while Ohio has a top income tax rate of 2.75%.
  • Idaho's top rate is 2.55 percentage points higher.

Property tax

  • Idaho: 0.43% effective rate vs Ohio: 1.22% of home value per year.
  • Ohio's rate is 0.79 percentage points higher.

Sales tax

  • Idaho: 6.03% combined state and average local rate vs Ohio: 7.29%.
  • Ohio's combined rate is 1.26 percentage points higher.

Official Websites

Idaho official website · Ohio official website

Download the Idaho vs Ohio Size Comparison Map for free

Idaho vs Ohio Size Comparison Map

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More Size Comparisons

All Idaho 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.