The map above shows Ohio and Oregon side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ohio vs Oregon Geography
Land area: Ohio has a land area of 40,859 square miles (105,824 km²), while Oregon has 95,997 square miles (248,630 km²). Oregon's land area is 2.3 times (135%) larger than Ohio's.
Total area: Ohio: 44,826 square miles (116,098 km²) vs Oregon: 98,379 square miles (254,799 km²), including inland and coastal water. Oregon's total area is 2.2 times (119%) larger than Ohio's.
Length: Ohio is 291 miles (468 km) long from north to south; Oregon is 453 miles (730 km). Oregon's north-south length is 1.6 times (56%) longer than Ohio's.
Width: Ohio spans 317 miles (510 km) east to west; Oregon spans 445 miles (715 km). Oregon's east-west width is 1.4 times (40%) wider than Ohio's.
Highest point: Ohio's highest point is Campbell Hill at 1,547 feet (472 m); Oregon's is Mount Hood at 11,232 feet (3,424 m). Mount Hood is 9,685 feet higher than Campbell Hill.
Lowest point: Ohio's lowest point is Ohio River at 455 feet; Oregon's is Pacific Ocean at 0 feet. Oregon's lowest point is 455 feet lower.
Ohio vs Oregon Population and History
Population: Ohio has a population of 11,883,304 (2024), while Oregon has 4,272,371 (2024). Ohio's population is 2.8 times (178%) larger than Oregon's.
Population density: Ohio: 290.8 people per square mile vs Oregon: 44.5. Ohio's population density is 6.5 times (553%) higher than Oregon's.
Biggest city: Ohio's biggest city is Columbus with 933,263 people; Oregon's is Portland with 635,749. Columbus' population is 1.5 times (47%) larger than Portland's.
Largest metro area: Ohio's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs Oregon's Portland-Vancouver-Hillsboro, OR-WA metro area (2,537,904). Portland-Vancouver-Hillsboro, OR-WA metro area's population is 1.1 times (10%) larger than Cincinnati, OH-KY-IN metro area's.
History: Ohio: Admitted to the Union on March 1, 1803, as the 17th state. Oregon: Admitted to the Union on February 14, 1859, as the 33rd state. In its current form, Ohio is the older of the two by 56 years.
Ohio vs Oregon Economy
GDP: Ohio's GDP is $923.1 billion (2024) vs Oregon's $330.2 billion. Ohio's economic output is 2.8 times (180%) larger than Oregon's.
GDP per capita: Ohio: $77,684 per person vs Oregon: $77,299. Ohio and Oregon have about the same GDP per capita.
Average income: Ohio: $64,464 vs Oregon: $70,823 average income per person (per capita personal income). Oregon's average income is 1.1 times (10%) higher than Ohio's.
Ohio vs Oregon Counties
Number of counties: Ohio has 88 counties, while Oregon has 36. Ohio's county count is 2.4 times (144%) higher than Oregon's.
Biggest county by area: Ohio's largest county is Ashtabula County at 702 square miles; Oregon's is Harney County at 10,134 square miles. Harney County's land area is 14.4 times larger than Ashtabula County's.
Smallest county by area: Ohio: Lake County (229 sq mi) vs Oregon: Multnomah County (431 sq mi). Multnomah County's land area is 1.9 times (88%) larger than Lake County's.
Most populous county: Ohio: Franklin County (1,356,303 people) vs Oregon: Multnomah County (795,897 people). Franklin County's population is 1.7 times (70%) larger than Multnomah County's.
Least populous county: Ohio: Vinton County (12,545 people) vs Oregon: Wheeler County (1,456 people). Vinton County's population is 8.6 times (762%) larger than Wheeler County's.
Richest county: Ohio: Delaware County ($96,573 per capita income) vs Oregon: Deschutes County ($86,176). Delaware County's income is 1.1 times (12%) richer than Deschutes County's.
Poorest county: Ohio: Noble County ($34,940 per capita income) vs Oregon: Malheur County ($42,974). Malheur County's income is 1.2 times (23%) richer than Noble County's.
Ohio vs Oregon Taxes
State income tax: Ohio has a top income tax rate of 2.75%, while Oregon has a top income tax rate of 9.9%. Oregon's top rate is 7.15 percentage points higher.
Property tax: Ohio: 1.22% effective rate vs Oregon: 0.78% of home value per year. Ohio's rate is 0.44 percentage points higher.
Sales tax: Ohio: 7.29% combined state and average local rate vs Oregon: 0%. Ohio's combined rate is 7.29 percentage points higher.
Official Websites
Ohio official website · Oregon official website
More Size Comparisons
All Ohio 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.