The map above shows Mississippi and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Mississippi vs Ohio Geography
Land area
- Mississippi has a land area of 46,925 square miles (121,534 km²), while Ohio has 40,859 square miles (105,824 km²).
- Mississippi's land area is 1.1 times (15%) larger than Ohio's.
Total area
- Mississippi: 48,436 square miles (125,448 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water.
- Mississippi's total area is 1.1 times (8%) larger than Ohio's.
Length
- Mississippi is 337 miles (542 km) long from north to south; Ohio is 291 miles (468 km).
- Mississippi's north-south length is 1.2 times (16%) longer than Ohio's.
Width
- Mississippi spans 340 miles (547 km) east to west; Ohio spans 317 miles (510 km).
- Mississippi's east-west width is 1.1 times (7%) wider than Ohio's.
Highest point
- Mississippi's highest point is Woodall Mountain at 805 feet (245 m); Ohio's is Campbell Hill at 1,547 feet (472 m).
- Campbell Hill is 742 feet higher than Woodall Mountain.
Lowest point
- Mississippi's lowest point is Gulf of Mexico at 0 feet; Ohio's is Ohio River at 455 feet.
- Mississippi's lowest point is 455 feet lower.
Mississippi vs Ohio Population and History
Population
- Mississippi has a population of 2,943,045 (2024), while Ohio has 11,883,304 (2024).
- Ohio's population is 4.0 times (304%) larger than Mississippi's.
Population density
- Mississippi: 62.7 people per square mile vs Ohio: 290.8.
- Ohio's population density is 4.6 times (364%) higher than Mississippi's.
Biggest city
- Mississippi's biggest city is Jackson with 141,449 people; Ohio's is Columbus with 933,263.
- Columbus' population is 6.6 times (560%) larger than Jackson's.
Largest metro area
- Mississippi's largest metropolitan area is Memphis, TN-MS-AR metro area (1,339,345 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815).
- Cincinnati, OH-KY-IN metro area's population is 1.7 times (72%) larger than Memphis, TN-MS-AR metro area's.
History
- Mississippi: Admitted to the Union on December 10, 1817, as the 20th 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 14 years.
Mississippi vs Ohio Economy
GDP
- Mississippi's GDP is $158.2 billion (2024) vs Ohio's $923.1 billion.
- Ohio's economic output is 5.8 times (484%) larger than Mississippi's.
GDP per capita
- Mississippi: $53,751 per person vs Ohio: $77,684.
- Ohio's GDP per capita is 1.4 times (45%) higher than Mississippi's.
Average income
- Mississippi: $52,074 vs Ohio: $64,464 average income per person (per capita personal income).
- Ohio's average income is 1.2 times (24%) higher than Mississippi's.
Mississippi vs Ohio Counties
Number of counties
- Mississippi has 82 counties, while Ohio has 88.
- Ohio's county count is 1.1 times (7%) higher than Mississippi's.
Biggest county by area
- Mississippi's largest county is Yazoo County at 922 square miles; Ohio's is Ashtabula County at 702 square miles.
- Yazoo County's land area is 1.3 times (31%) larger than Ashtabula County's.
Smallest county by area
- Mississippi: Alcorn County (400 sq mi) vs Ohio: Lake County (229 sq mi).
- Alcorn County's land area is 1.7 times (74%) larger than Lake County's.
Most populous county
- Mississippi: Harrison County (213,730 people) vs Ohio: Franklin County (1,356,303 people).
- Franklin County's population is 6.3 times (535%) larger than Harrison County's.
Least populous county
- Mississippi: Issaquena County (1,295 people) vs Ohio: Vinton County (12,545 people).
- Vinton County's population is 9.7 times (869%) larger than Issaquena County's.
Richest county
- Mississippi: Madison County ($90,668 per capita income) vs Ohio: Delaware County ($96,573).
- Delaware County's income is 1.1 times (7%) richer than Madison County's.
Poorest county
- Mississippi: Issaquena County ($27,264 per capita income) vs Ohio: Noble County ($34,940).
- Noble County's income is 1.3 times (28%) richer than Issaquena County's.
Mississippi vs Ohio Taxes
State income tax
- Mississippi has a top income tax rate of 4%, while Ohio has a top income tax rate of 2.75%.
- Mississippi's top rate is 1.25 percentage points higher.
Property tax
- Mississippi: 0.65% effective rate vs Ohio: 1.22% of home value per year.
- Ohio's rate is 0.57 percentage points higher.
Sales tax
- Mississippi: 7.06% combined state and average local rate vs Ohio: 7.29%.
- Ohio's combined rate is 0.23 percentage points higher.
Official Websites
Mississippi official website · Ohio official website
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More Size Comparisons
All Mississippi 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.