The map above shows Washington and Wyoming side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Washington vs Wyoming Geography
Land area: Washington has a land area of 66,455 square miles (172,119 km²), while Wyoming has 97,089 square miles (251,458 km²). Wyoming's land area is 1.5 times (46%) larger than Washington's.
Total area: Washington: 71,301 square miles (184,668 km²) vs Wyoming: 97,810 square miles (253,326 km²), including inland and coastal water. Wyoming's total area is 1.4 times (37%) larger than Washington's.
Length: Washington is 238 miles (383 km) long from north to south; Wyoming is 324 miles (522 km). Wyoming's north-south length is 1.4 times (36%) longer than Washington's.
Width: Washington spans 399 miles (641 km) east to west; Wyoming spans 410 miles (659 km). Washington and Wyoming have about the same east-west width.
Highest point: Washington's highest point is Mount Rainier at 14,409 feet (4,392 m); Wyoming's is Gannett Peak at 13,788 feet (4,203 m). Mount Rainier is 621 feet higher than Gannett Peak.
Lowest point: Washington's lowest point is Pacific Ocean at 0 feet; Wyoming's is Belle Fourche River at 3,108 feet. Washington's lowest point is 3,108 feet lower.
Washington vs Wyoming Population and History
Population: Washington has a population of 7,958,180 (2024), while Wyoming has 587,618 (2024). Washington's population is 13.5 times larger than Wyoming's.
Population density: Washington: 119.8 people per square mile vs Wyoming: 6.1. Washington's population density is 19.6 times higher than Wyoming's.
Biggest city: Washington's biggest city is Seattle with 780,995 people; Wyoming's is Cheyenne with 65,704. Seattle's population is 11.9 times larger than Cheyenne's.
Largest metro area: Washington's largest metropolitan area is Seattle-Tacoma-Bellevue, WA metro area (4,145,494 people) vs Wyoming's Cheyenne, WY metro area (101,783). Seattle-Tacoma-Bellevue, WA metro area's population is 40.7 times larger than Cheyenne, WY metro area's.
History: Washington: Admitted to the Union on November 11, 1889, as the 42nd state. Wyoming: Admitted to the Union on July 10, 1890, as the 44th state. In its current form, Washington is the older of the two by 1 years.
Washington vs Wyoming Economy
GDP: Washington's GDP is $856.0 billion (2024) vs Wyoming's $51.5 billion. Washington's economic output is 16.6 times larger than Wyoming's.
GDP per capita: Washington: $107,564 per person vs Wyoming: $87,639. Washington's GDP per capita is 1.2 times (23%) higher than Wyoming's.
Average income: Washington: $85,187 vs Wyoming: $86,477 average income per person (per capita personal income). Washington and Wyoming have about the same average income.
Washington vs Wyoming Counties
Number of counties: Washington has 39 counties, while Wyoming has 23. Washington's county count is 1.7 times (70%) higher than Wyoming's.
Biggest county by area: Washington's largest county is Okanogan County at 5,266 square miles; Wyoming's is Sweetwater County at 10,427 square miles. Sweetwater County's land area is 2.0 times (98%) larger than Okanogan County's.
Smallest county by area: Washington: San Juan County (174 sq mi) vs Wyoming: Hot Springs County (2,004 sq mi). Hot Springs County's land area is 11.5 times larger than San Juan County's.
Most populous county: Washington: King County (2,340,211 people) vs Wyoming: Laramie County (101,783 people). King County's population is 23.0 times larger than Laramie County's.
Least populous county: Washington: Garfield County (2,404 people) vs Wyoming: Niobrara County (2,301 people). Garfield County and Niobrara County have about the same population.
Richest county: Washington: King County ($128,684 per capita income) vs Wyoming: Teton County ($532,903). Teton County's income is 4.1 times (314%) richer than King County's.
Poorest county: Washington: Ferry County ($50,456 per capita income) vs Wyoming: Uinta County ($50,370). Ferry County and Uinta County have about the same income.
Washington vs Wyoming Taxes
State income tax: Washington has a 9% tax on capital gains only, while Wyoming has no state income tax.
Property tax: Washington: 0.79% effective rate vs Wyoming: 0.57% of home value per year. Washington's rate is 0.22 percentage points higher.
Sales tax: Washington: 9.57% combined state and average local rate vs Wyoming: 5.39%. Washington's combined rate is 4.18 percentage points higher.
Official Websites
Washington official website · Wyoming official website
More Size Comparisons
All Washington size comparisons · All Wyoming 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.