The map above shows Ohio and Tennessee side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ohio vs Tennessee Geography
Land area
- Ohio has a land area of 40,859 square miles (105,824 km²), while Tennessee has 41,224 square miles (106,770 km²).
- Ohio and Tennessee have about the same land area.
Total area
- Ohio: 44,826 square miles (116,098 km²) vs Tennessee: 42,130 square miles (109,116 km²), including inland and coastal water.
- Ohio's total area is 1.1 times (6%) larger than Tennessee's.
Length
- Ohio is 291 miles (468 km) long from north to south; Tennessee is 191 miles (308 km).
- Ohio's north-south length is 1.5 times (52%) longer than Tennessee's.
Width
- Ohio spans 317 miles (510 km) east to west; Tennessee spans 497 miles (800 km).
- Tennessee's east-west width is 1.6 times (57%) wider than Ohio's.
Highest point
- Ohio's highest point is Campbell Hill at 1,547 feet (472 m); Tennessee's is Clingmans Dome at 6,624 feet (2,019 m).
- Clingmans Dome is 5,077 feet higher than Campbell Hill.
Lowest point
- Ohio's lowest point is Ohio River at 455 feet; Tennessee's is Mississippi River at 178 feet.
- Tennessee's lowest point is 277 feet lower.
Ohio vs Tennessee Population and History
Population
- Ohio has a population of 11,883,304 (2024), while Tennessee has 7,227,750 (2024).
- Ohio's population is 1.6 times (64%) larger than Tennessee's.
Population density
- Ohio: 290.8 people per square mile vs Tennessee: 175.3.
- Ohio's population density is 1.7 times (66%) higher than Tennessee's.
Biggest city
- Ohio's biggest city is Columbus with 933,263 people; Tennessee's is Nashville with 704,963.
- Columbus' population is 1.3 times (32%) larger than Nashville's.
Largest metro area
- Ohio's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs Tennessee's Nashville-Davidson--Murfreesboro--Franklin, TN metro area (2,150,553).
- Cincinnati, OH-KY-IN metro area's population is 1.1 times (7%) larger than Nashville-Davidson--Murfreesboro--Franklin, TN metro area's.
History
- Ohio: Admitted to the Union on March 1, 1803, as the 17th state.
- Tennessee: Admitted to the Union on June 1, 1796, as the 16th state.
- In its current form, Tennessee is the older of the two by 7 years.
Ohio vs Tennessee Economy
GDP
- Ohio's GDP is $923.1 billion (2024) vs Tennessee's $561.2 billion.
- Ohio's economic output is 1.6 times (64%) larger than Tennessee's.
GDP per capita
- Ohio: $77,684 per person vs Tennessee: $77,645.
- Ohio and Tennessee have about the same GDP per capita.
Average income
- Ohio: $64,464 vs Tennessee: $66,504 average income per person (per capita personal income).
- Ohio and Tennessee have about the same average income.
Ohio vs Tennessee Counties
Number of counties
- Ohio has 88 counties, while Tennessee has 95.
- Tennessee's county count is 1.1 times (8%) higher than Ohio's.
Biggest county by area
- Ohio's largest county is Ashtabula County at 702 square miles; Tennessee's is Shelby County at 753 square miles.
- Shelby County's land area is 1.1 times (7%) larger than Ashtabula County's.
Smallest county by area
- Ohio: Lake County (229 sq mi) vs Tennessee: Trousdale County (114 sq mi).
- Lake County's land area is 2.0 times (101%) larger than Trousdale County's.
Most populous county
- Ohio: Franklin County (1,356,303 people) vs Tennessee: Shelby County (910,530 people).
- Franklin County's population is 1.5 times (49%) larger than Shelby County's.
Least populous county
- Ohio: Vinton County (12,545 people) vs Tennessee: Pickett County (5,108 people).
- Vinton County's population is 2.5 times (146%) larger than Pickett County's.
Richest county
- Ohio: Delaware County ($96,573 per capita income) vs Tennessee: Williamson County ($139,704).
- Williamson County's income is 1.4 times (45%) richer than Delaware County's.
Poorest county
- Ohio: Noble County ($34,940 per capita income) vs Tennessee: Lake County ($31,572).
- Noble County's income is 1.1 times (11%) richer than Lake County's.
Ohio vs Tennessee Taxes
State income tax
- Ohio has a top income tax rate of 2.75%, while Tennessee has no state income tax.
- Ohio's top rate is 2.75 percentage points higher.
Property tax
- Ohio: 1.22% effective rate vs Tennessee: 0.45% of home value per year.
- Ohio's rate is 0.77 percentage points higher.
Sales tax
- Ohio: 7.29% combined state and average local rate vs Tennessee: 9.61%.
- Tennessee's combined rate is 2.32 percentage points higher.
Official Websites
Ohio official website · Tennessee official website
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More Size Comparisons
All Ohio size comparisons · All Tennessee 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.