The map above shows Arkansas and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arkansas vs Oklahoma Geography
Land area
- Arkansas has a land area of 51,992 square miles (134,658 km²), while Oklahoma has 68,597 square miles (177,665 km²).
- Oklahoma's land area is 1.3 times (32%) larger than Arkansas'.
Total area
- Arkansas: 53,198 square miles (137,781 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water.
- Oklahoma's total area is 1.3 times (31%) larger than Arkansas'.
Length
- Arkansas is 243 miles (392 km) long from north to south; Oklahoma is 533 miles (857 km).
- Oklahoma's north-south length is 2.2 times (119%) longer than Arkansas'.
Width
- Arkansas spans 279 miles (449 km) east to west; Oklahoma spans 490 miles (789 km).
- Oklahoma's east-west width is 1.8 times (76%) wider than Arkansas'.
Highest point
- Arkansas's highest point is Mount Magazine at 2,752 feet (839 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m).
- Black Mesa is 2,228 feet higher than Mount Magazine.
Lowest point
- Arkansas's lowest point is Ouachita River at 55 feet; Oklahoma's is Little River at 289 feet.
- Arkansas's lowest point is 234 feet lower.
Arkansas vs Oklahoma Population and History
Population
- Arkansas has a population of 3,088,354 (2024), while Oklahoma has 4,095,393 (2024).
- Oklahoma's population is 1.3 times (33%) larger than Arkansas'.
Population density
- Arkansas: 59.4 people per square mile vs Oklahoma: 59.7.
- Arkansas and Oklahoma have about the same population density.
Biggest city
- Arkansas's biggest city is Little Rock with 204,774 people; Oklahoma's is Oklahoma City with 712,919.
- Oklahoma City's population is 3.5 times (248%) 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 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
- Arkansas: Admitted to the Union on June 15, 1836, as the 25th state.
- Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state.
- In its current form, Arkansas is the older of the two by 71 years.
Arkansas vs Oklahoma Economy
GDP
- Arkansas's GDP is $188.3 billion (2024) vs Oklahoma's $263.7 billion.
- Oklahoma's economic output is 1.4 times (40%) larger than Arkansas'.
GDP per capita
- Arkansas: $60,984 per person vs Oklahoma: $64,388.
- Oklahoma's GDP per capita is 1.1 times (6%) higher than Arkansas'.
Average income
- Arkansas: $59,320 vs Oklahoma: $63,708 average income per person (per capita personal income).
- Oklahoma's average income is 1.1 times (7%) higher than Arkansas'.
Arkansas vs Oklahoma Counties
Number of counties
- Arkansas has 75 counties, while Oklahoma has 77.
- Arkansas and Oklahoma have about the same county count.
Biggest county by area
- Arkansas's largest county is Union County at 1,039 square miles; Oklahoma's is Osage County at 2,247 square miles.
- Osage County's land area is 2.2 times (116%) larger than Union County's.
Smallest county by area
- Arkansas: Lafayette County (530 sq mi) vs Oklahoma: Marshall County (372 sq mi).
- Lafayette County's land area is 1.4 times (43%) larger than Marshall County's.
Most populous county
- Arkansas: Pulaski County (401,209 people) vs Oklahoma: Oklahoma County (816,490 people).
- Oklahoma County's population is 2.0 times (104%) larger than Pulaski County's.
Least populous county
- Arkansas: Calhoun County (4,690 people) vs Oklahoma: Cimarron County (2,133 people).
- Calhoun County's population is 2.2 times (120%) larger than Cimarron County's.
Richest county
- Arkansas: Benton County ($120,594 per capita income) vs Oklahoma: Washington County ($126,749).
- Washington County's income is 1.1 times (5%) richer than Benton County's.
Poorest county
- Arkansas: Lincoln County ($36,032 per capita income) vs Oklahoma: Atoka County ($38,709).
- Atoka County's income is 1.1 times (7%) richer than Lincoln County's.
Arkansas vs Oklahoma Taxes
State income tax
- Arkansas has a top income tax rate of 3.9%, while Oklahoma has a top income tax rate of 4.5%.
- Oklahoma's top rate is 0.6 percentage points higher.
Property tax
- Arkansas: 0.52% effective rate vs Oklahoma: 0.75% of home value per year.
- Oklahoma's rate is 0.23 percentage points higher.
Sales tax
- Arkansas: 9.48% combined state and average local rate vs Oklahoma: 9.06%.
- Arkansas's combined rate is 0.42 percentage points higher.
Official Websites
Arkansas official website · Oklahoma official website
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More Size Comparisons
All Arkansas 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.