The map above shows Indiana and Mississippi side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs Mississippi Geography
Land area: Indiana has a land area of 35,825 square miles (92,787 km²), while Mississippi has 46,925 square miles (121,534 km²). Mississippi's land area is 1.3 times (31%) larger than Indiana's.
Total area: Indiana: 36,421 square miles (94,331 km²) vs Mississippi: 48,436 square miles (125,448 km²), including inland and coastal water. Mississippi's total area is 1.3 times (33%) larger than Indiana's.
Length: Indiana is 276 miles (444 km) long from north to south; Mississippi is 337 miles (542 km). Mississippi's north-south length is 1.2 times (22%) longer than Indiana's.
Width: Indiana spans 193 miles (310 km) east to west; Mississippi spans 340 miles (547 km). Mississippi's east-west width is 1.8 times (76%) wider than Indiana's.
Highest point: Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); Mississippi's is Woodall Mountain at 805 feet (245 m). Hoosier Hill is 450 feet higher than Woodall Mountain.
Lowest point: Indiana's lowest point is Ohio River at 330 feet; Mississippi's is Gulf of Mexico at 0 feet. Mississippi's lowest point is 330 feet lower.
Indiana vs Mississippi Population and History
Population: Indiana has a population of 6,924,275 (2024), while Mississippi has 2,943,045 (2024). Indiana's population is 2.4 times (135%) larger than Mississippi's.
Population density: Indiana: 193.3 people per square mile vs Mississippi: 62.7. Indiana's population density is 3.1 times (208%) higher than Mississippi's.
Biggest city: Indiana's biggest city is Indianapolis with 891,484 people; Mississippi's is Jackson with 141,449. Indianapolis' population is 6.3 times (530%) larger than Jackson's.
Largest metro area: Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Mississippi's Memphis, TN-MS-AR metro area (1,339,345). Chicago-Naperville-Elgin, IL-IN metro area's population is 7.0 times (602%) larger than Memphis, TN-MS-AR metro area's.
History: Indiana: Admitted to the Union on December 11, 1816, as the 19th state. Mississippi: Admitted to the Union on December 10, 1817, as the 20th state. In its current form, Indiana is the older of the two by 1 years.
Indiana vs Mississippi Economy
GDP: Indiana's GDP is $519.5 billion (2024) vs Mississippi's $158.2 billion. Indiana's economic output is 3.3 times (228%) larger than Mississippi's.
GDP per capita: Indiana: $75,028 per person vs Mississippi: $53,751. Indiana's GDP per capita is 1.4 times (40%) higher than Mississippi's.
Average income: Indiana: $64,077 vs Mississippi: $52,074 average income per person (per capita personal income). Indiana's average income is 1.2 times (23%) higher than Mississippi's.
Indiana vs Mississippi Counties
Number of counties: Indiana has 92 counties, while Mississippi has 82. Indiana's county count is 1.1 times (12%) higher than Mississippi's.
Biggest county by area: Indiana's largest county is Allen County at 657 square miles; Mississippi's is Yazoo County at 922 square miles. Yazoo County's land area is 1.4 times (40%) larger than Allen County's.
Smallest county by area: Indiana: Ohio County (86 sq mi) vs Mississippi: Alcorn County (400 sq mi). Alcorn County's land area is 4.6 times (364%) larger than Ohio County's.
Most populous county: Indiana: Marion County (981,628 people) vs Mississippi: Harrison County (213,730 people). Marion County's population is 4.6 times (359%) larger than Harrison County's.
Least populous county: Indiana: Ohio County (5,996 people) vs Mississippi: Issaquena County (1,295 people). Ohio County's population is 4.6 times (363%) larger than Issaquena County's.
Richest county: Indiana: Hamilton County ($104,283 per capita income) vs Mississippi: Madison County ($90,668). Hamilton County's income is 1.2 times (15%) richer than Madison County's.
Poorest county: Indiana: Miami County ($44,940 per capita income) vs Mississippi: Issaquena County ($27,264). Miami County's income is 1.6 times (65%) richer than Issaquena County's.
Indiana vs Mississippi Taxes
State income tax: Indiana has a top income tax rate of 2.95%, while Mississippi has a top income tax rate of 4%. Mississippi's top rate is 1.05 percentage points higher.
Property tax: Indiana: 0.74% effective rate vs Mississippi: 0.65% of home value per year. Indiana's rate is 0.09 percentage points higher.
Sales tax: Indiana: 7% combined state and average local rate vs Mississippi: 7.06%. Mississippi's combined rate is 0.06 percentage points higher.
Official Websites
Indiana official website · Mississippi official website
More Size Comparisons
All Indiana size comparisons · All Mississippi 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.