The map above shows Delaware and Washington side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Delaware vs Washington Geography
Land area
- Delaware has a land area of 1,949 square miles (5,047 km²), while Washington has 66,455 square miles (172,119 km²).
- Washington's land area is 34.1 times larger than Delaware's.
Total area
- Delaware: 2,489 square miles (6,446 km²) vs Washington: 71,301 square miles (184,668 km²), including inland and coastal water.
- Washington's total area is 28.6 times larger than Delaware's.
Length
- Delaware is 98 miles (158 km) long from north to south; Washington is 238 miles (383 km).
- Washington's north-south length is 2.4 times (143%) longer than Delaware's.
Width
- Delaware spans 96 miles (155 km) east to west; Washington spans 399 miles (641 km).
- Washington's east-west width is 4.2 times (316%) wider than Delaware's.
Highest point
- Delaware's highest point is Ebright Azimuth at 450 feet (137 m); Washington's is Mount Rainier at 14,409 feet (4,392 m).
- Mount Rainier is 13,959 feet higher than Ebright Azimuth.
Lowest point
- Delaware'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.
Delaware vs Washington Population and History
Population
- Delaware has a population of 1,051,917 (2024), while Washington has 7,958,180 (2024).
- Washington's population is 7.6 times (657%) larger than Delaware's.
Population density
- Delaware: 539.9 people per square mile vs Washington: 119.8.
- Delaware's population density is 4.5 times (351%) higher than Washington's.
Biggest city
- Delaware's biggest city is Wilmington with 73,176 people; Washington's is Seattle with 780,995.
- Seattle's population is 10.7 times larger than Wilmington's.
Largest metro area
- Delaware's largest metropolitan area is Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area (6,330,422 people) vs Washington's Seattle-Tacoma-Bellevue, WA metro area (4,145,494).
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area's population is 1.5 times (53%) larger than Seattle-Tacoma-Bellevue, WA metro area's.
History
- Delaware: Admitted to the Union on December 7, 1787, as the 1st state.
- Washington: Admitted to the Union on November 11, 1889, as the 42nd state.
- In its current form, Delaware is the older of the two by 102 years.
Delaware vs Washington Economy
GDP
- Delaware's GDP is $111.0 billion (2024) vs Washington's $856.0 billion.
- Washington's economic output is 7.7 times (671%) larger than Delaware's.
GDP per capita
- Delaware: $105,495 per person vs Washington: $107,564.
- Delaware and Washington have about the same GDP per capita.
Average income
- Delaware: $68,061 vs Washington: $85,187 average income per person (per capita personal income).
- Washington's average income is 1.3 times (25%) higher than Delaware's.
Delaware vs Washington Counties
Number of counties
- Delaware has 3 counties, while Washington has 39.
- Washington's county count is 13.0 times higher than Delaware's.
Biggest county by area
- Delaware's largest county is Sussex County at 936 square miles; Washington's is Okanogan County at 5,266 square miles.
- Okanogan County's land area is 5.6 times (463%) larger than Sussex County's.
Smallest county by area
- Delaware: New Castle County (426 sq mi) vs Washington: San Juan County (174 sq mi).
- New Castle County's land area is 2.5 times (145%) larger than San Juan County's.
Most populous county
- Delaware: New Castle County (588,093 people) vs Washington: King County (2,340,211 people).
- King County's population is 4.0 times (298%) larger than New Castle County's.
Least populous county
- Delaware: Kent County (192,690 people) vs Washington: Garfield County (2,404 people).
- Kent County's population is 80.2 times larger than Garfield County's.
Richest county
- Delaware: Sussex County ($73,647 per capita income) vs Washington: King County ($128,684).
- King County's income is 1.7 times (75%) richer than Sussex County's.
Poorest county
- Delaware: Kent County ($55,474 per capita income) vs Washington: Ferry County ($50,456).
- Kent County's income is 1.1 times (10%) richer than Ferry County's.
Delaware vs Washington Taxes
State income tax
- Delaware has a top income tax rate of 6.6%, while Washington has a 9% tax on capital gains only.
Property tax
- Delaware: 0.47% effective rate vs Washington: 0.79% of home value per year.
- Washington's rate is 0.32 percentage points higher.
Sales tax
- Delaware: 0% combined state and average local rate vs Washington: 9.57%.
- Washington's combined rate is 9.57 percentage points higher.
Official Websites
Delaware official website · Washington official website
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More Size Comparisons
All Delaware 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.