The map above shows Hawaii and Washington side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Hawaii vs Washington Geography
Land area: Hawaii has a land area of 6,423 square miles (16,634 km²), while Washington has 66,455 square miles (172,119 km²). Washington's land area is 10.3 times larger than Hawaii's.
Total area: Hawaii: 10,970 square miles (28,412 km²) vs Washington: 71,301 square miles (184,668 km²), including inland and coastal water. Washington's total area is 6.5 times (550%) larger than Hawaii's.
Length: Hawaii is 333 miles (536 km) long from north to south; Washington is 238 miles (383 km). Hawaii's north-south length is 1.4 times (40%) longer than Washington's.
Width: Hawaii spans 386 miles (621 km) east to west; Washington spans 399 miles (641 km). Hawaii and Washington have about the same east-west width.
Highest point: Hawaii's highest point is Mauna Kea at 13,795 feet (4,205 m); Washington's is Mount Rainier at 14,409 feet (4,392 m). Mount Rainier is 614 feet higher than Mauna Kea.
Lowest point: Hawaii'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.
Hawaii vs Washington Population and History
Population: Hawaii has a population of 1,446,146 (2024), while Washington has 7,958,180 (2024). Washington's population is 5.5 times (450%) larger than Hawaii's.
Population density: Hawaii: 225.2 people per square mile vs Washington: 119.8. Hawaii's population density is 1.9 times (88%) higher than Washington's.
Biggest city: Hawaii's biggest city is Honolulu with 344,967 people; Washington's is Seattle with 780,995. Seattle's population is 2.3 times (126%) larger than Honolulu's.
Largest metro area: Hawaii's largest metropolitan area is Urban Honolulu, HI metro area (998,747 people) vs Washington's Seattle-Tacoma-Bellevue, WA metro area (4,145,494). Seattle-Tacoma-Bellevue, WA metro area's population is 4.2 times (315%) larger than Urban Honolulu, HI metro area's.
History: Hawaii: Admitted to the Union on August 21, 1959, as the 50th state. Washington: Admitted to the Union on November 11, 1889, as the 42nd state. In its current form, Washington is the older of the two by 70 years.
Hawaii vs Washington Economy
GDP: Hawaii's GDP is $117.6 billion (2024) vs Washington's $856.0 billion. Washington's economic output is 7.3 times (628%) larger than Hawaii's.
GDP per capita: Hawaii: $81,339 per person vs Washington: $107,564. Washington's GDP per capita is 1.3 times (32%) higher than Hawaii's.
Average income: Hawaii: $71,019 vs Washington: $85,187 average income per person (per capita personal income). Washington's average income is 1.2 times (20%) higher than Hawaii's.
Hawaii vs Washington Counties
Number of counties: Hawaii has 5 counties, while Washington has 39. Washington's county count is 7.8 times (680%) higher than Hawaii's.
Biggest county by area: Hawaii's largest county is Hawaii County at 4,028 square miles; Washington's is Okanogan County at 5,266 square miles. Okanogan County's land area is 1.3 times (31%) larger than Hawaii County's.
Smallest county by area: Hawaii: Kalawao County (12 sq mi) vs Washington: San Juan County (174 sq mi). San Juan County's land area is 14.5 times larger than Kalawao County's.
Most populous county: Hawaii: Honolulu County (998,747 people) vs Washington: King County (2,340,211 people). King County's population is 2.3 times (134%) larger than Honolulu County's.
Least populous county: Hawaii: Kalawao County (81 people) vs Washington: Garfield County (2,404 people). Garfield County's population is 29.7 times larger than Kalawao County's.
Richest county: Hawaii: Honolulu County ($74,681 per capita income) vs Washington: King County ($128,684). King County's income is 1.7 times (72%) richer than Honolulu County's.
Poorest county: Hawaii: Hawaii County ($57,694 per capita income) vs Washington: Ferry County ($50,456). Hawaii County's income is 1.1 times (14%) richer than Ferry County's.
Hawaii vs Washington Taxes
State income tax: Hawaii has a top income tax rate of 11%, while Washington has a 9% tax on capital gains only.
Property tax: Hawaii: 0.27% effective rate vs Washington: 0.79% of home value per year. Washington's rate is 0.52 percentage points higher.
Sales tax: Hawaii: 4.5% combined state and average local rate vs Washington: 9.57%. Washington's combined rate is 5.07 percentage points higher.
Official Websites
Hawaii official website · Washington official website
More Size Comparisons
All Hawaii 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.