The map above shows Oregon and Washington side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Oregon vs Washington Geography
Land area
- Oregon has a land area of 95,997 square miles (248,630 km²), while Washington has 66,455 square miles (172,119 km²).
- Oregon's land area is 1.4 times (44%) larger than Washington's.
Total area
- Oregon: 98,379 square miles (254,799 km²) vs Washington: 71,301 square miles (184,668 km²), including inland and coastal water.
- Oregon's total area is 1.4 times (38%) larger than Washington's.
Length
- Oregon is 453 miles (730 km) long from north to south; Washington is 238 miles (383 km).
- Oregon's north-south length is 1.9 times (90%) longer than Washington's.
Width
- Oregon spans 445 miles (715 km) east to west; Washington spans 399 miles (641 km).
- Oregon's east-west width is 1.1 times (12%) wider than Washington's.
Highest point
- Oregon's highest point is Mount Hood at 11,232 feet (3,424 m); Washington's is Mount Rainier at 14,409 feet (4,392 m).
- Mount Rainier is 3,177 feet higher than Mount Hood.
Lowest point
- Oregon's lowest point is Pacific Ocean at 0 feet; Washington's is Pacific Ocean at 0 feet.
- Both lowest points are at or near sea level.
Oregon vs Washington Population and History
Population
- Oregon has a population of 4,272,371 (2024), while Washington has 7,958,180 (2024).
- Washington's population is 1.9 times (86%) larger than Oregon's.
Population density
- Oregon: 44.5 people per square mile vs Washington: 119.8.
- Washington's population density is 2.7 times (169%) higher than Oregon's.
Biggest city
- Oregon's biggest city is Portland with 635,749 people; Washington's is Seattle with 780,995.
- Seattle's population is 1.2 times (23%) larger than Portland's.
Largest metro area
- Oregon's largest metropolitan area is Portland-Vancouver-Hillsboro, OR-WA metro area (2,537,904 people) vs Washington's Seattle-Tacoma-Bellevue, WA metro area (4,145,494).
- Seattle-Tacoma-Bellevue, WA metro area's population is 1.6 times (63%) larger than Portland-Vancouver-Hillsboro, OR-WA metro area's.
History
- Oregon: Admitted to the Union on February 14, 1859, as the 33rd state.
- Washington: Admitted to the Union on November 11, 1889, as the 42nd state.
- In its current form, Oregon is the older of the two by 30 years.
Oregon vs Washington Economy
GDP
- Oregon's GDP is $330.2 billion (2024) vs Washington's $856.0 billion.
- Washington's economic output is 2.6 times (159%) larger than Oregon's.
GDP per capita
- Oregon: $77,299 per person vs Washington: $107,564.
- Washington's GDP per capita is 1.4 times (39%) higher than Oregon's.
Average income
- Oregon: $70,823 vs Washington: $85,187 average income per person (per capita personal income).
- Washington's average income is 1.2 times (20%) higher than Oregon's.
Oregon vs Washington Counties
Number of counties
- Oregon has 36 counties, while Washington has 39.
- Washington's county count is 1.1 times (8%) higher than Oregon's.
Biggest county by area
- Oregon's largest county is Harney County at 10,134 square miles; Washington's is Okanogan County at 5,266 square miles.
- Harney County's land area is 1.9 times (92%) larger than Okanogan County's.
Smallest county by area
- Oregon: Multnomah County (431 sq mi) vs Washington: San Juan County (174 sq mi).
- Multnomah County's land area is 2.5 times (148%) larger than San Juan County's.
Most populous county
- Oregon: Multnomah County (795,897 people) vs Washington: King County (2,340,211 people).
- King County's population is 2.9 times (194%) larger than Multnomah County's.
Least populous county
- Oregon: Wheeler County (1,456 people) vs Washington: Garfield County (2,404 people).
- Garfield County's population is 1.7 times (65%) larger than Wheeler County's.
Richest county
- Oregon: Deschutes County ($86,176 per capita income) vs Washington: King County ($128,684).
- King County's income is 1.5 times (49%) richer than Deschutes County's.
Poorest county
- Oregon: Malheur County ($42,974 per capita income) vs Washington: Ferry County ($50,456).
- Ferry County's income is 1.2 times (17%) richer than Malheur County's.
Oregon vs Washington Taxes
State income tax
- Oregon has a top income tax rate of 9.9%, while Washington has a 9% tax on capital gains only.
Property tax
- Oregon: 0.78% effective rate vs Washington: 0.79% of home value per year.
- The two are essentially equal.
Sales tax
- Oregon: 0% combined state and average local rate vs Washington: 9.57%.
- Washington's combined rate is 9.57 percentage points higher.
Official Websites
Oregon official website · Washington official website
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More Size Comparisons
All Oregon size comparisons · All Washington 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.