The map above shows Arkansas and Indiana side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arkansas vs Indiana Geography
Land area: Arkansas has a land area of 51,992 square miles (134,658 km²), while Indiana has 35,825 square miles (92,787 km²). Arkansas' land area is 1.5 times (45%) larger than Indiana's.
Total area: Arkansas: 53,198 square miles (137,781 km²) vs Indiana: 36,421 square miles (94,331 km²), including inland and coastal water. Arkansas' total area is 1.5 times (46%) larger than Indiana's.
Length: Arkansas is 243 miles (392 km) long from north to south; Indiana is 276 miles (444 km). Indiana's north-south length is 1.1 times (14%) longer than Arkansas'.
Width: Arkansas spans 279 miles (449 km) east to west; Indiana spans 193 miles (310 km). Arkansas' east-west width is 1.4 times (45%) wider than Indiana's.
Highest point: Arkansas's highest point is Mount Magazine at 2,752 feet (839 m); Indiana's is Hoosier Hill at 1,255 feet (383 m). Mount Magazine is 1,497 feet higher than Hoosier Hill.
Lowest point: Arkansas's lowest point is Ouachita River at 55 feet; Indiana's is Ohio River at 330 feet. Arkansas's lowest point is 275 feet lower.
Arkansas vs Indiana Population and History
Population: Arkansas has a population of 3,088,354 (2024), while Indiana has 6,924,275 (2024). Indiana's population is 2.2 times (124%) larger than Arkansas'.
Population density: Arkansas: 59.4 people per square mile vs Indiana: 193.3. Indiana's population density is 3.3 times (225%) higher than Arkansas'.
Biggest city: Arkansas's biggest city is Little Rock with 204,774 people; Indiana's is Indianapolis with 891,484. Indianapolis' population is 4.4 times (335%) larger than Little Rock's.
Largest metro area: Arkansas's largest metropolitan area is Memphis, TN-MS-AR metro area (1,339,345 people) vs Indiana's Chicago-Naperville-Elgin, IL-IN metro area (9,408,576). Chicago-Naperville-Elgin, IL-IN metro area's population is 7.0 times (602%) larger than Memphis, TN-MS-AR metro area's.
History: Arkansas: Admitted to the Union on June 15, 1836, as the 25th state. Indiana: Admitted to the Union on December 11, 1816, as the 19th state. In its current form, Indiana is the older of the two by 20 years.
Arkansas vs Indiana Economy
GDP: Arkansas's GDP is $188.3 billion (2024) vs Indiana's $519.5 billion. Indiana's economic output is 2.8 times (176%) larger than Arkansas'.
GDP per capita: Arkansas: $60,984 per person vs Indiana: $75,028. Indiana's GDP per capita is 1.2 times (23%) higher than Arkansas'.
Average income: Arkansas: $59,320 vs Indiana: $64,077 average income per person (per capita personal income). Indiana's average income is 1.1 times (8%) higher than Arkansas'.
Arkansas vs Indiana Counties
Number of counties: Arkansas has 75 counties, while Indiana has 92. Indiana's county count is 1.2 times (23%) higher than Arkansas'.
Biggest county by area: Arkansas's largest county is Union County at 1,039 square miles; Indiana's is Allen County at 657 square miles. Union County's land area is 1.6 times (58%) larger than Allen County's.
Smallest county by area: Arkansas: Lafayette County (530 sq mi) vs Indiana: Ohio County (86 sq mi). Lafayette County's land area is 6.1 times (514%) larger than Ohio County's.
Most populous county: Arkansas: Pulaski County (401,209 people) vs Indiana: Marion County (981,628 people). Marion County's population is 2.4 times (145%) larger than Pulaski County's.
Least populous county: Arkansas: Calhoun County (4,690 people) vs Indiana: Ohio County (5,996 people). Ohio County's population is 1.3 times (28%) larger than Calhoun County's.
Richest county: Arkansas: Benton County ($120,594 per capita income) vs Indiana: Hamilton County ($104,283). Benton County's income is 1.2 times (16%) richer than Hamilton County's.
Poorest county: Arkansas: Lincoln County ($36,032 per capita income) vs Indiana: Miami County ($44,940). Miami County's income is 1.2 times (25%) richer than Lincoln County's.
Arkansas vs Indiana Taxes
State income tax: Arkansas has a top income tax rate of 3.9%, while Indiana has a top income tax rate of 2.95%. Arkansas's top rate is 0.95 percentage points higher.
Property tax: Arkansas: 0.52% effective rate vs Indiana: 0.74% of home value per year. Indiana's rate is 0.22 percentage points higher.
Sales tax: Arkansas: 9.48% combined state and average local rate vs Indiana: 7%. Arkansas's combined rate is 2.48 percentage points higher.
Official Websites
Arkansas official website · Indiana official website
More Size Comparisons
All Arkansas size comparisons · All Indiana 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.