The map above shows Mississippi and Missouri side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Mississippi vs Missouri Geography
Land area: Mississippi has a land area of 46,925 square miles (121,534 km²), while Missouri has 68,746 square miles (178,052 km²). Missouri's land area is 1.5 times (47%) larger than Mississippi's.
Total area: Mississippi: 48,436 square miles (125,448 km²) vs Missouri: 69,707 square miles (180,540 km²), including inland and coastal water. Missouri's total area is 1.4 times (44%) larger than Mississippi's.
Length: Mississippi is 337 miles (542 km) long from north to south; Missouri is 328 miles (529 km). Mississippi and Missouri have about the same north-south length.
Width: Mississippi spans 340 miles (547 km) east to west; Missouri spans 437 miles (703 km). Missouri's east-west width is 1.3 times (29%) wider than Mississippi's.
Highest point: Mississippi's highest point is Woodall Mountain at 805 feet (245 m); Missouri's is Taum Sauk Mountain at 1,771 feet (540 m). Taum Sauk Mountain is 966 feet higher than Woodall Mountain.
Lowest point: Mississippi's lowest point is Gulf of Mexico at 0 feet; Missouri's is St. Francis River at 230 feet. Mississippi's lowest point is 230 feet lower.
Mississippi vs Missouri Population and History
Population: Mississippi has a population of 2,943,045 (2024), while Missouri has 6,245,466 (2024). Missouri's population is 2.1 times (112%) larger than Mississippi's.
Population density: Mississippi: 62.7 people per square mile vs Missouri: 90.8. Missouri's population density is 1.4 times (45%) higher than Mississippi's.
Biggest city: Mississippi's biggest city is Jackson with 141,449 people; Missouri's is Kansas City with 516,032. Kansas City's population is 3.6 times (265%) larger than Jackson's.
Largest metro area: Mississippi's largest metropolitan area is Memphis, TN-MS-AR metro area (1,339,345 people) vs Missouri's St. Louis, MO-IL metro area (2,811,927). St. Louis, MO-IL metro area's population is 2.1 times (110%) larger than Memphis, TN-MS-AR metro area's.
History: Mississippi: Admitted to the Union on December 10, 1817, as the 20th state. Missouri: Admitted to the Union on August 10, 1821, as the 24th state. In its current form, Mississippi is the older of the two by 4 years.
Mississippi vs Missouri Economy
GDP: Mississippi's GDP is $158.2 billion (2024) vs Missouri's $448.7 billion. Missouri's economic output is 2.8 times (184%) larger than Mississippi's.
GDP per capita: Mississippi: $53,751 per person vs Missouri: $71,846. Missouri's GDP per capita is 1.3 times (34%) higher than Mississippi's.
Average income: Mississippi: $52,074 vs Missouri: $64,920 average income per person (per capita personal income). Missouri's average income is 1.2 times (25%) higher than Mississippi's.
Mississippi vs Missouri Counties
Number of counties: Mississippi has 82 counties, while Missouri has 115. Missouri's county count is 1.4 times (40%) higher than Mississippi's.
Biggest county by area: Mississippi's largest county is Yazoo County at 922 square miles; Missouri's is Texas County at 1,177 square miles. Texas County's land area is 1.3 times (28%) larger than Yazoo County's.
Smallest county by area: Mississippi: Alcorn County (400 sq mi) vs Missouri: St. Louis city (62 sq mi). Alcorn County's land area is 6.5 times (548%) larger than St. Louis city's.
Most populous county: Mississippi: Harrison County (213,730 people) vs Missouri: St. Louis County (992,929 people). St. Louis County's population is 4.6 times (365%) larger than Harrison County's.
Least populous county: Mississippi: Issaquena County (1,295 people) vs Missouri: Worth County (1,872 people). Worth County's population is 1.4 times (45%) larger than Issaquena County's.
Richest county: Mississippi: Madison County ($90,668 per capita income) vs Missouri: St. Louis County ($104,775). St. Louis County's income is 1.2 times (16%) richer than Madison County's.
Poorest county: Mississippi: Issaquena County ($27,264 per capita income) vs Missouri: Douglas County ($40,515). Douglas County's income is 1.5 times (49%) richer than Issaquena County's.
Mississippi vs Missouri Taxes
State income tax: Mississippi has a top income tax rate of 4%, while Missouri has a top income tax rate of 4.7%. Missouri's top rate is 0.7 percentage points higher.
Property tax: Mississippi: 0.65% effective rate vs Missouri: 0.79% of home value per year. Missouri's rate is 0.14 percentage points higher.
Sales tax: Mississippi: 7.06% combined state and average local rate vs Missouri: 8.44%. Missouri's combined rate is 1.38 percentage points higher.
Official Websites
Mississippi official website · Missouri official website
More Size Comparisons
All Mississippi size comparisons · All Missouri 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.