The map above shows Arkansas and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arkansas vs Ohio Geography
Land area
- Arkansas has a land area of 51,992 square miles (134,658 km²), while Ohio has 40,859 square miles (105,824 km²).
- Arkansas' land area is 1.3 times (27%) larger than Ohio's.
Total area
- Arkansas: 53,198 square miles (137,781 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water.
- Arkansas' total area is 1.2 times (19%) larger than Ohio's.
Length
- Arkansas is 243 miles (392 km) long from north to south; Ohio is 291 miles (468 km).
- Ohio's north-south length is 1.2 times (20%) longer than Arkansas'.
Width
- Arkansas spans 279 miles (449 km) east to west; Ohio spans 317 miles (510 km).
- Ohio's east-west width is 1.1 times (14%) wider than Arkansas'.
Highest point
- Arkansas's highest point is Mount Magazine at 2,752 feet (839 m); Ohio's is Campbell Hill at 1,547 feet (472 m).
- Mount Magazine is 1,205 feet higher than Campbell Hill.
Lowest point
- Arkansas's lowest point is Ouachita River at 55 feet; Ohio's is Ohio River at 455 feet.
- Arkansas's lowest point is 400 feet lower.
Arkansas vs Ohio Population and History
Population
- Arkansas has a population of 3,088,354 (2024), while Ohio has 11,883,304 (2024).
- Ohio's population is 3.8 times (285%) larger than Arkansas'.
Population density
- Arkansas: 59.4 people per square mile vs Ohio: 290.8.
- Ohio's population density is 4.9 times (390%) higher than Arkansas'.
Biggest city
- Arkansas's biggest city is Little Rock with 204,774 people; Ohio's is Columbus with 933,263.
- Columbus' population is 4.6 times (356%) 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 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
- Arkansas: Admitted to the Union on June 15, 1836, as the 25th 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 33 years.
Arkansas vs Ohio Economy
GDP
- Arkansas's GDP is $188.3 billion (2024) vs Ohio's $923.1 billion.
- Ohio's economic output is 4.9 times (390%) larger than Arkansas'.
GDP per capita
- Arkansas: $60,984 per person vs Ohio: $77,684.
- Ohio's GDP per capita is 1.3 times (27%) higher than Arkansas'.
Average income
- Arkansas: $59,320 vs Ohio: $64,464 average income per person (per capita personal income).
- Ohio's average income is 1.1 times (9%) higher than Arkansas'.
Arkansas vs Ohio Counties
Number of counties
- Arkansas has 75 counties, while Ohio has 88.
- Ohio's county count is 1.2 times (17%) higher than Arkansas'.
Biggest county by area
- Arkansas's largest county is Union County at 1,039 square miles; Ohio's is Ashtabula County at 702 square miles.
- Union County's land area is 1.5 times (48%) larger than Ashtabula County's.
Smallest county by area
- Arkansas: Lafayette County (530 sq mi) vs Ohio: Lake County (229 sq mi).
- Lafayette County's land area is 2.3 times (131%) larger than Lake County's.
Most populous county
- Arkansas: Pulaski County (401,209 people) vs Ohio: Franklin County (1,356,303 people).
- Franklin County's population is 3.4 times (238%) larger than Pulaski County's.
Least populous county
- Arkansas: Calhoun County (4,690 people) vs Ohio: Vinton County (12,545 people).
- Vinton County's population is 2.7 times (167%) larger than Calhoun County's.
Richest county
- Arkansas: Benton County ($120,594 per capita income) vs Ohio: Delaware County ($96,573).
- Benton County's income is 1.2 times (25%) richer than Delaware County's.
Poorest county
- Arkansas: Lincoln County ($36,032 per capita income) vs Ohio: Noble County ($34,940).
- Lincoln County and Noble County have about the same income.
Arkansas vs Ohio Taxes
State income tax
- Arkansas has a top income tax rate of 3.9%, while Ohio has a top income tax rate of 2.75%.
- Arkansas's top rate is 1.15 percentage points higher.
Property tax
- Arkansas: 0.52% effective rate vs Ohio: 1.22% of home value per year.
- Ohio's rate is 0.7 percentage points higher.
Sales tax
- Arkansas: 9.48% combined state and average local rate vs Ohio: 7.29%.
- Arkansas's combined rate is 2.19 percentage points higher.
Official Websites
Arkansas official website · Ohio official website
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More Size Comparisons
All Arkansas 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.