The map above shows Mississippi and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Mississippi vs Oklahoma Geography
Land area
- Mississippi has a land area of 46,925 square miles (121,534 km²), while Oklahoma has 68,597 square miles (177,665 km²).
- Oklahoma's land area is 1.5 times (46%) larger than Mississippi's.
Total area
- Mississippi: 48,436 square miles (125,448 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water.
- Oklahoma's total area is 1.4 times (44%) larger than Mississippi's.
Length
- Mississippi is 337 miles (542 km) long from north to south; Oklahoma is 533 miles (857 km).
- Oklahoma's north-south length is 1.6 times (58%) longer than Mississippi's.
Width
- Mississippi spans 340 miles (547 km) east to west; Oklahoma spans 490 miles (789 km).
- Oklahoma's east-west width is 1.4 times (44%) wider than Mississippi's.
Highest point
- Mississippi's highest point is Woodall Mountain at 805 feet (245 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m).
- Black Mesa is 4,175 feet higher than Woodall Mountain.
Lowest point
- Mississippi's lowest point is Gulf of Mexico at 0 feet; Oklahoma's is Little River at 289 feet.
- Mississippi's lowest point is 289 feet lower.
Mississippi vs Oklahoma Population and History
Population
- Mississippi has a population of 2,943,045 (2024), while Oklahoma has 4,095,393 (2024).
- Oklahoma's population is 1.4 times (39%) larger than Mississippi's.
Population density
- Mississippi: 62.7 people per square mile vs Oklahoma: 59.7.
- Mississippi's population density is 1.1 times (5%) higher than Oklahoma's.
Biggest city
- Mississippi's biggest city is Jackson with 141,449 people; Oklahoma's is Oklahoma City with 712,919.
- Oklahoma City's population is 5.0 times (404%) larger than Jackson's.
Largest metro area
- Mississippi's largest metropolitan area is Memphis, TN-MS-AR metro area (1,339,345 people) vs Oklahoma's Oklahoma City, OK metro area (1,497,821).
- Oklahoma City, OK metro area's population is 1.1 times (12%) larger than Memphis, TN-MS-AR metro area's.
History
- Mississippi: Admitted to the Union on December 10, 1817, as the 20th state.
- Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state.
- In its current form, Mississippi is the older of the two by 90 years.
Mississippi vs Oklahoma Economy
GDP
- Mississippi's GDP is $158.2 billion (2024) vs Oklahoma's $263.7 billion.
- Oklahoma's economic output is 1.7 times (67%) larger than Mississippi's.
GDP per capita
- Mississippi: $53,751 per person vs Oklahoma: $64,388.
- Oklahoma's GDP per capita is 1.2 times (20%) higher than Mississippi's.
Average income
- Mississippi: $52,074 vs Oklahoma: $63,708 average income per person (per capita personal income).
- Oklahoma's average income is 1.2 times (22%) higher than Mississippi's.
Mississippi vs Oklahoma Counties
Number of counties
- Mississippi has 82 counties, while Oklahoma has 77.
- Mississippi's county count is 1.1 times (6%) higher than Oklahoma's.
Biggest county by area
- Mississippi's largest county is Yazoo County at 922 square miles; Oklahoma's is Osage County at 2,247 square miles.
- Osage County's land area is 2.4 times (144%) larger than Yazoo County's.
Smallest county by area
- Mississippi: Alcorn County (400 sq mi) vs Oklahoma: Marshall County (372 sq mi).
- Alcorn County's land area is 1.1 times (8%) larger than Marshall County's.
Most populous county
- Mississippi: Harrison County (213,730 people) vs Oklahoma: Oklahoma County (816,490 people).
- Oklahoma County's population is 3.8 times (282%) larger than Harrison County's.
Least populous county
- Mississippi: Issaquena County (1,295 people) vs Oklahoma: Cimarron County (2,133 people).
- Cimarron County's population is 1.6 times (65%) larger than Issaquena County's.
Richest county
- Mississippi: Madison County ($90,668 per capita income) vs Oklahoma: Washington County ($126,749).
- Washington County's income is 1.4 times (40%) richer than Madison County's.
Poorest county
- Mississippi: Issaquena County ($27,264 per capita income) vs Oklahoma: Atoka County ($38,709).
- Atoka County's income is 1.4 times (42%) richer than Issaquena County's.
Mississippi vs Oklahoma Taxes
State income tax
- Mississippi has a top income tax rate of 4%, while Oklahoma has a top income tax rate of 4.5%.
- Oklahoma's top rate is 0.5 percentage points higher.
Property tax
- Mississippi: 0.65% effective rate vs Oklahoma: 0.75% of home value per year.
- Oklahoma's rate is 0.1 percentage points higher.
Sales tax
- Mississippi: 7.06% combined state and average local rate vs Oklahoma: 9.06%.
- Oklahoma's combined rate is 2 percentage points higher.
Official Websites
Mississippi official website · Oklahoma official website
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More Size Comparisons
All Mississippi size comparisons · All Oklahoma 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.