The map above shows Kentucky and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Kentucky vs Oklahoma Geography
Land area
- Kentucky has a land area of 39,485 square miles (102,267 km²), while Oklahoma has 68,597 square miles (177,665 km²).
- Oklahoma's land area is 1.7 times (74%) larger than Kentucky's.
Total area
- Kentucky: 40,406 square miles (104,651 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water.
- Oklahoma's total area is 1.7 times (73%) larger than Kentucky's.
Length
- Kentucky is 257 miles (414 km) long from north to south; Oklahoma is 533 miles (857 km).
- Oklahoma's north-south length is 2.1 times (107%) longer than Kentucky's.
Width
- Kentucky spans 418 miles (672 km) east to west; Oklahoma spans 490 miles (789 km).
- Oklahoma's east-west width is 1.2 times (17%) wider than Kentucky's.
Highest point
- Kentucky's highest point is Black Mountain at 4,134 feet (1,260 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m).
- Black Mesa is 846 feet higher than Black Mountain.
Lowest point
- Kentucky's lowest point is Mississippi River at 270 feet; Oklahoma's is Little River at 289 feet.
- Kentucky's lowest point is 19 feet lower.
Kentucky vs Oklahoma Population and History
Population
- Kentucky has a population of 4,588,372 (2024), while Oklahoma has 4,095,393 (2024).
- Kentucky's population is 1.1 times (12%) larger than Oklahoma's.
Population density
- Kentucky: 116.2 people per square mile vs Oklahoma: 59.7.
- Kentucky's population density is 1.9 times (95%) higher than Oklahoma's.
Biggest city
- Kentucky's biggest city is Louisville with 640,796 people; Oklahoma's is Oklahoma City with 712,919.
- Oklahoma City's population is 1.1 times (11%) larger than Louisville's.
Largest metro area
- Kentucky's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs Oklahoma's Oklahoma City, OK metro area (1,497,821).
- Cincinnati, OH-KY-IN metro area's population is 1.5 times (54%) larger than Oklahoma City, OK metro area's.
History
- Kentucky: Admitted to the Union on June 1, 1792, as the 15th state.
- Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state.
- In its current form, Kentucky is the older of the two by 115 years.
Kentucky vs Oklahoma Economy
GDP
- Kentucky's GDP is $295.4 billion (2024) vs Oklahoma's $263.7 billion.
- Kentucky's economic output is 1.1 times (12%) larger than Oklahoma's.
GDP per capita
- Kentucky: $64,375 per person vs Oklahoma: $64,388.
- Kentucky and Oklahoma have about the same GDP per capita.
Average income
- Kentucky: $58,256 vs Oklahoma: $63,708 average income per person (per capita personal income).
- Oklahoma's average income is 1.1 times (9%) higher than Kentucky's.
Kentucky vs Oklahoma Counties
Number of counties
- Kentucky has 120 counties, while Oklahoma has 77.
- Kentucky's county count is 1.6 times (56%) higher than Oklahoma's.
Biggest county by area
- Kentucky's largest county is Pike County at 786 square miles; Oklahoma's is Osage County at 2,247 square miles.
- Osage County's land area is 2.9 times (186%) larger than Pike County's.
Smallest county by area
- Kentucky: Gallatin County (98 sq mi) vs Oklahoma: Marshall County (372 sq mi).
- Marshall County's land area is 3.8 times (278%) larger than Gallatin County's.
Most populous county
- Kentucky: Jefferson County (793,881 people) vs Oklahoma: Oklahoma County (816,490 people).
- Jefferson County and Oklahoma County have about the same population.
Least populous county
- Kentucky: Robertson County (2,382 people) vs Oklahoma: Cimarron County (2,133 people).
- Robertson County's population is 1.1 times (12%) larger than Cimarron County's.
Richest county
- Kentucky: Oldham County ($87,137 per capita income) vs Oklahoma: Washington County ($126,749).
- Washington County's income is 1.5 times (45%) richer than Oldham County's.
Poorest county
- Kentucky: Elliott County ($31,817 per capita income) vs Oklahoma: Atoka County ($38,709).
- Atoka County's income is 1.2 times (22%) richer than Elliott County's.
Kentucky vs Oklahoma Taxes
State income tax
- Kentucky has a top income tax rate of 3.5%, while Oklahoma has a top income tax rate of 4.5%.
- Oklahoma's top rate is 1 percentage points higher.
Property tax
- Kentucky: 0.71% effective rate vs Oklahoma: 0.75% of home value per year.
- Oklahoma's rate is 0.04 percentage points higher.
Sales tax
- Kentucky: 6% combined state and average local rate vs Oklahoma: 9.06%.
- Oklahoma's combined rate is 3.06 percentage points higher.
Official Websites
Kentucky official website · Oklahoma official website
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More Size Comparisons
All Kentucky 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.