The map above shows Maine and Washington side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maine vs Washington Geography
Land area: Maine has a land area of 30,845 square miles (79,888 km²), while Washington has 66,455 square miles (172,119 km²). Washington's land area is 2.2 times (115%) larger than Maine's.
Total area: Maine: 35,380 square miles (91,634 km²) vs Washington: 71,301 square miles (184,668 km²), including inland and coastal water. Washington's total area is 2.0 times (102%) larger than Maine's.
Length: Maine is 311 miles (501 km) long from north to south; Washington is 238 miles (383 km). Maine's north-south length is 1.3 times (31%) longer than Washington's.
Width: Maine spans 203 miles (327 km) east to west; Washington spans 399 miles (641 km). Washington's east-west width is 2.0 times (97%) wider than Maine's.
Highest point: Maine's highest point is Mount Katahdin at 5,253 feet (1,601 m); Washington's is Mount Rainier at 14,409 feet (4,392 m). Mount Rainier is 9,156 feet higher than Mount Katahdin.
Lowest point: Maine's lowest point is Atlantic Ocean at 0 feet; Washington's is Pacific Ocean at 0 feet. Both lowest points are at or near sea level.
Maine vs Washington Population and History
Population: Maine has a population of 1,405,012 (2024), while Washington has 7,958,180 (2024). Washington's population is 5.7 times (466%) larger than Maine's.
Population density: Maine: 45.6 people per square mile vs Washington: 119.8. Washington's population density is 2.6 times (163%) higher than Maine's.
Biggest city: Maine's biggest city is Portland with 69,568 people; Washington's is Seattle with 780,995. Seattle's population is 11.2 times larger than Portland's.
Largest metro area: Maine's largest metropolitan area is Portland-South Portland, ME metro area (571,534 people) vs Washington's Seattle-Tacoma-Bellevue, WA metro area (4,145,494). Seattle-Tacoma-Bellevue, WA metro area's population is 7.3 times (625%) larger than Portland-South Portland, ME metro area's.
History: Maine: Admitted to the Union on March 15, 1820, as the 23rd state. Washington: Admitted to the Union on November 11, 1889, as the 42nd state. In its current form, Maine is the older of the two by 69 years.
Maine vs Washington Economy
GDP: Maine's GDP is $99.2 billion (2024) vs Washington's $856.0 billion. Washington's economic output is 8.6 times (763%) larger than Maine's.
GDP per capita: Maine: $70,586 per person vs Washington: $107,564. Washington's GDP per capita is 1.5 times (52%) higher than Maine's.
Average income: Maine: $68,932 vs Washington: $85,187 average income per person (per capita personal income). Washington's average income is 1.2 times (24%) higher than Maine's.
Maine vs Washington Counties
Number of counties: Maine has 16 counties, while Washington has 39. Washington's county count is 2.4 times (144%) higher than Maine's.
Biggest county by area: Maine's largest county is Aroostook County at 6,671 square miles; Washington's is Okanogan County at 5,266 square miles. Aroostook County's land area is 1.3 times (27%) larger than Okanogan County's.
Smallest county by area: Maine: Sagadahoc County (254 sq mi) vs Washington: San Juan County (174 sq mi). Sagadahoc County's land area is 1.5 times (46%) larger than San Juan County's.
Most populous county: Maine: Cumberland County (313,809 people) vs Washington: King County (2,340,211 people). King County's population is 7.5 times (646%) larger than Cumberland County's.
Least populous county: Maine: Piscataquis County (17,432 people) vs Washington: Garfield County (2,404 people). Piscataquis County's population is 7.3 times (625%) larger than Garfield County's.
Richest county: Maine: Cumberland County ($90,142 per capita income) vs Washington: King County ($128,684). King County's income is 1.4 times (43%) richer than Cumberland County's.
Poorest county: Maine: Franklin County ($52,725 per capita income) vs Washington: Ferry County ($50,456). Franklin County and Ferry County have about the same income.
Maine vs Washington Taxes
State income tax: Maine has a top income tax rate of 7.15%, while Washington has a 9% tax on capital gains only.
Property tax: Maine: 0.91% effective rate vs Washington: 0.79% of home value per year. Maine's rate is 0.12 percentage points higher.
Sales tax: Maine: 5.5% combined state and average local rate vs Washington: 9.57%. Washington's combined rate is 4.07 percentage points higher.
Official Websites
Maine official website · Washington official website
More Size Comparisons
All Maine 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.