The map above shows Oklahoma and Oregon side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Oklahoma vs Oregon Geography
Land area: Oklahoma has a land area of 68,597 square miles (177,665 km²), while Oregon has 95,997 square miles (248,630 km²). Oregon's land area is 1.4 times (40%) larger than Oklahoma's.
Total area: Oklahoma: 69,899 square miles (181,038 km²) vs Oregon: 98,379 square miles (254,799 km²), including inland and coastal water. Oregon's total area is 1.4 times (41%) larger than Oklahoma's.
Length: Oklahoma is 533 miles (857 km) long from north to south; Oregon is 453 miles (730 km). Oklahoma's north-south length is 1.2 times (18%) longer than Oregon's.
Width: Oklahoma spans 490 miles (789 km) east to west; Oregon spans 445 miles (715 km). Oklahoma's east-west width is 1.1 times (10%) wider than Oregon's.
Highest point: Oklahoma's highest point is Black Mesa at 4,980 feet (1,518 m); Oregon's is Mount Hood at 11,232 feet (3,424 m). Mount Hood is 6,252 feet higher than Black Mesa.
Lowest point: Oklahoma's lowest point is Little River at 289 feet; Oregon's is Pacific Ocean at 0 feet. Oregon's lowest point is 289 feet lower.
Oklahoma vs Oregon Population and History
Population: Oklahoma has a population of 4,095,393 (2024), while Oregon has 4,272,371 (2024). Oklahoma and Oregon have about the same population.
Population density: Oklahoma: 59.7 people per square mile vs Oregon: 44.5. Oklahoma's population density is 1.3 times (34%) higher than Oregon's.
Biggest city: Oklahoma's biggest city is Oklahoma City with 712,919 people; Oregon's is Portland with 635,749. Oklahoma City's population is 1.1 times (12%) larger than Portland's.
Largest metro area: Oklahoma's largest metropolitan area is Oklahoma City, OK metro area (1,497,821 people) vs Oregon's Portland-Vancouver-Hillsboro, OR-WA metro area (2,537,904). Portland-Vancouver-Hillsboro, OR-WA metro area's population is 1.7 times (69%) larger than Oklahoma City, OK metro area's.
History: Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. Oregon: Admitted to the Union on February 14, 1859, as the 33rd state. In its current form, Oregon is the older of the two by 48 years.
Oklahoma vs Oregon Economy
GDP: Oklahoma's GDP is $263.7 billion (2024) vs Oregon's $330.2 billion. Oregon's economic output is 1.3 times (25%) larger than Oklahoma's.
GDP per capita: Oklahoma: $64,388 per person vs Oregon: $77,299. Oregon's GDP per capita is 1.2 times (20%) higher than Oklahoma's.
Average income: Oklahoma: $63,708 vs Oregon: $70,823 average income per person (per capita personal income). Oregon's average income is 1.1 times (11%) higher than Oklahoma's.
Oklahoma vs Oregon Counties
Number of counties: Oklahoma has 77 counties, while Oregon has 36. Oklahoma's county count is 2.1 times (114%) higher than Oregon's.
Biggest county by area: Oklahoma's largest county is Osage County at 2,247 square miles; Oregon's is Harney County at 10,134 square miles. Harney County's land area is 4.5 times (351%) larger than Osage County's.
Smallest county by area: Oklahoma: Marshall County (372 sq mi) vs Oregon: Multnomah County (431 sq mi). Multnomah County's land area is 1.2 times (16%) larger than Marshall County's.
Most populous county: Oklahoma: Oklahoma County (816,490 people) vs Oregon: Multnomah County (795,897 people). Oklahoma County and Multnomah County have about the same population.
Least populous county: Oklahoma: Cimarron County (2,133 people) vs Oregon: Wheeler County (1,456 people). Cimarron County's population is 1.5 times (46%) larger than Wheeler County's.
Richest county: Oklahoma: Washington County ($126,749 per capita income) vs Oregon: Deschutes County ($86,176). Washington County's income is 1.5 times (47%) richer than Deschutes County's.
Poorest county: Oklahoma: Atoka County ($38,709 per capita income) vs Oregon: Malheur County ($42,974). Malheur County's income is 1.1 times (11%) richer than Atoka County's.
Oklahoma vs Oregon Taxes
State income tax: Oklahoma has a top income tax rate of 4.5%, while Oregon has a top income tax rate of 9.9%. Oregon's top rate is 5.4 percentage points higher.
Property tax: Oklahoma: 0.75% effective rate vs Oregon: 0.78% of home value per year. Oregon's rate is 0.03 percentage points higher.
Sales tax: Oklahoma: 9.06% combined state and average local rate vs Oregon: 0%. Oklahoma's combined rate is 9.06 percentage points higher.
Official Websites
Oklahoma official website · Oregon official website
More Size Comparisons
All Oklahoma size comparisons · All Oregon 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.