The map above shows Washington and Wisconsin side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Washington vs Wisconsin Geography
Land area: Washington has a land area of 66,455 square miles (172,119 km²), while Wisconsin has 54,168 square miles (140,294 km²). Washington's land area is 1.2 times (23%) larger than Wisconsin's.
Total area: Washington: 71,301 square miles (184,668 km²) vs Wisconsin: 65,497 square miles (169,636 km²), including inland and coastal water. Washington's total area is 1.1 times (9%) larger than Wisconsin's.
Length: Washington is 238 miles (383 km) long from north to south; Wisconsin is 368 miles (593 km). Wisconsin's north-south length is 1.5 times (55%) longer than Washington's.
Width: Washington spans 399 miles (641 km) east to west; Wisconsin spans 323 miles (521 km). Washington's east-west width is 1.2 times (24%) wider than Wisconsin's.
Highest point: Washington's highest point is Mount Rainier at 14,409 feet (4,392 m); Wisconsin's is Timms Hill at 1,946 feet (593 m). Mount Rainier is 12,463 feet higher than Timms Hill.
Lowest point: Washington's lowest point is Pacific Ocean at 0 feet; Wisconsin's is Lake Michigan at 577 feet. Washington's lowest point is 577 feet lower.
Washington vs Wisconsin Population and History
Population: Washington has a population of 7,958,180 (2024), while Wisconsin has 5,960,975 (2024). Washington's population is 1.3 times (34%) larger than Wisconsin's.
Population density: Washington: 119.8 people per square mile vs Wisconsin: 110.0. Washington's population density is 1.1 times (9%) higher than Wisconsin's.
Biggest city: Washington's biggest city is Seattle with 780,995 people; Wisconsin's is Milwaukee with 563,531. Seattle's population is 1.4 times (39%) larger than Milwaukee's.
Largest metro area: Washington's largest metropolitan area is Seattle-Tacoma-Bellevue, WA metro area (4,145,494 people) vs Wisconsin's Minneapolis-St. Paul-Bloomington, MN-WI metro area (3,757,952). Seattle-Tacoma-Bellevue, WA metro area's population is 1.1 times (10%) larger than Minneapolis-St. Paul-Bloomington, MN-WI metro area's.
History: Washington: Admitted to the Union on November 11, 1889, as the 42nd state. Wisconsin: Admitted to the Union on May 29, 1848, as the 30th state. In its current form, Wisconsin is the older of the two by 41 years.
Washington vs Wisconsin Economy
GDP: Washington's GDP is $856.0 billion (2024) vs Wisconsin's $453.3 billion. Washington's economic output is 1.9 times (89%) larger than Wisconsin's.
GDP per capita: Washington: $107,564 per person vs Wisconsin: $76,044. Washington's GDP per capita is 1.4 times (41%) higher than Wisconsin's.
Average income: Washington: $85,187 vs Wisconsin: $67,755 average income per person (per capita personal income). Washington's average income is 1.3 times (26%) higher than Wisconsin's.
Washington vs Wisconsin Counties
Number of counties: Washington has 39 counties, while Wisconsin has 72. Wisconsin's county count is 1.8 times (85%) higher than Washington's.
Biggest county by area: Washington's largest county is Okanogan County at 5,266 square miles; Wisconsin's is Marathon County at 1,545 square miles. Okanogan County's land area is 3.4 times (241%) larger than Marathon County's.
Smallest county by area: Washington: San Juan County (174 sq mi) vs Wisconsin: Pepin County (232 sq mi). Pepin County's land area is 1.3 times (33%) larger than San Juan County's.
Most populous county: Washington: King County (2,340,211 people) vs Wisconsin: Milwaukee County (924,740 people). King County's population is 2.5 times (153%) larger than Milwaukee County's.
Least populous county: Washington: Garfield County (2,404 people) vs Wisconsin: Menominee County (4,286 people). Menominee County's population is 1.8 times (78%) larger than Garfield County's.
Richest county: Washington: King County ($128,684 per capita income) vs Wisconsin: Ozaukee County ($109,947). King County's income is 1.2 times (17%) richer than Ozaukee County's.
Poorest county: Washington: Ferry County ($50,456 per capita income) vs Wisconsin: Menominee County ($43,696). Ferry County's income is 1.2 times (15%) richer than Menominee County's.
Washington vs Wisconsin Taxes
State income tax: Washington has a 9% tax on capital gains only, while Wisconsin has a top income tax rate of 7.65%.
Property tax: Washington: 0.79% effective rate vs Wisconsin: 1.25% of home value per year. Wisconsin's rate is 0.46 percentage points higher.
Sales tax: Washington: 9.57% combined state and average local rate vs Wisconsin: 5.72%. Washington's combined rate is 3.85 percentage points higher.
Official Websites
Washington official website · Wisconsin official website
More Size Comparisons
All Washington size comparisons · All Wisconsin 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.