The map above shows Connecticut and Washington side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Connecticut vs Washington Geography
Land area: Connecticut has a land area of 4,843 square miles (12,542 km²), while Washington has 66,455 square miles (172,119 km²). Washington's land area is 13.7 times larger than Connecticut's.
Total area: Connecticut: 5,544 square miles (14,358 km²) vs Washington: 71,301 square miles (184,668 km²), including inland and coastal water. Washington's total area is 12.9 times larger than Connecticut's.
Length: Connecticut is 73 miles (118 km) long from north to south; Washington is 238 miles (383 km). Washington's north-south length is 3.3 times (226%) longer than Connecticut's.
Width: Connecticut spans 104 miles (167 km) east to west; Washington spans 399 miles (641 km). Washington's east-west width is 3.8 times (284%) wider than Connecticut's.
Highest point: Connecticut's highest point is Mount Frissell (south slope) at 2,376 feet (724 m); Washington's is Mount Rainier at 14,409 feet (4,392 m). Mount Rainier is 12,033 feet higher than Mount Frissell (south slope).
Lowest point: Connecticut's lowest point is Long Island Sound at 0 feet; Washington's is Pacific Ocean at 0 feet. Both lowest points are at or near sea level.
Connecticut vs Washington Population and History
Population: Connecticut has a population of 3,675,069 (2024), while Washington has 7,958,180 (2024). Washington's population is 2.2 times (117%) larger than Connecticut's.
Population density: Connecticut: 758.9 people per square mile vs Washington: 119.8. Connecticut's population density is 6.3 times (533%) higher than Washington's.
Biggest city: Connecticut's biggest city is Bridgeport with 151,599 people; Washington's is Seattle with 780,995. Seattle's population is 5.2 times (415%) larger than Bridgeport's.
Largest metro area: Connecticut's largest metropolitan area is Hartford-West Hartford-East Hartford, CT metro area (1,169,048 people) vs Washington's Seattle-Tacoma-Bellevue, WA metro area (4,145,494). Seattle-Tacoma-Bellevue, WA metro area's population is 3.5 times (255%) larger than Hartford-West Hartford-East Hartford, CT metro area's.
History: Connecticut: Admitted to the Union on January 9, 1788, as the 5th state. Washington: Admitted to the Union on November 11, 1889, as the 42nd state. In its current form, Connecticut is the older of the two by 101 years.
Connecticut vs Washington Economy
GDP: Connecticut's GDP is $356.8 billion (2024) vs Washington's $856.0 billion. Washington's economic output is 2.4 times (140%) larger than Connecticut's.
GDP per capita: Connecticut: $97,096 per person vs Washington: $107,564. Washington's GDP per capita is 1.1 times (11%) higher than Connecticut's.
Average income: Connecticut: $95,067 vs Washington: $85,187 average income per person (per capita personal income). Connecticut's average income is 1.1 times (12%) higher than Washington's.
Connecticut vs Washington Counties
Number of counties: Connecticut has 9 counties, while Washington has 39. Washington's county count is 4.3 times (333%) higher than Connecticut's.
Biggest county by area: Connecticut's largest county is Capitol Planning Region at 1,027 square miles; Washington's is Okanogan County at 5,266 square miles. Okanogan County's land area is 5.1 times (413%) larger than Capitol Planning Region's.
Smallest county by area: Connecticut: Greater Bridgeport Planning Region (140 sq mi) vs Washington: San Juan County (174 sq mi). San Juan County's land area is 1.2 times (24%) larger than Greater Bridgeport Planning Region's.
Most populous county: Connecticut: Capitol Planning Region (991,508 people) vs Washington: King County (2,340,211 people). King County's population is 2.4 times (136%) larger than Capitol Planning Region's.
Least populous county: Connecticut: Northeastern Connecticut Planning Region (97,701 people) vs Washington: Garfield County (2,404 people). Northeastern Connecticut Planning Region's population is 40.6 times larger than Garfield County's.
Richest county: Connecticut: Western Connecticut Planning Region ($165,513 per capita income) vs Washington: King County ($128,684). Western Connecticut Planning Region's income is 1.3 times (29%) richer than King County's.
Poorest county: Connecticut: Southeastern Connecticut Planning Region ($64,845 per capita income) vs Washington: Ferry County ($50,456). Southeastern Connecticut Planning Region's income is 1.3 times (29%) richer than Ferry County's.
Connecticut vs Washington Taxes
State income tax: Connecticut has a top income tax rate of 6.99%, while Washington has a 9% tax on capital gains only.
Property tax: Connecticut: 1.66% effective rate vs Washington: 0.79% of home value per year. Connecticut's rate is 0.87 percentage points higher.
Sales tax: Connecticut: 6.35% combined state and average local rate vs Washington: 9.57%. Washington's combined rate is 3.22 percentage points higher.
Official Websites
Connecticut official website · Washington official website
More Size Comparisons
All Connecticut 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.