The map above shows Washington and British Columbia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Washington vs British Columbia Geography
Land area: Washington has a land area of 66,455 square miles (172,119 km²), while British Columbia has 357,216 square miles (925,186 km²). British Columbia's land area is 5.4 times (438%) larger than Washington's.
Total area: Washington: 71,301 square miles (184,668 km²) vs British Columbia: 364,764 square miles (944,735 km²), including inland and coastal water. British Columbia's total area is 5.1 times (412%) larger than Washington's.
Length: Washington is 238 miles (383 km) long from north to south; British Columbia is 1,017 miles (1,637 km). British Columbia's north-south length is 4.3 times (327%) longer than Washington's.
Width: Washington spans 399 miles (641 km) east to west; British Columbia spans 1,245 miles (2,003 km). British Columbia's east-west width is 3.1 times (212%) wider than Washington's.
Highest point: Washington's highest point is Mount Rainier at 14,409 feet (4,392 m); British Columbia's is Mount Fairweather at 15,299 feet (4,663 m). Mount Fairweather is 890 feet higher than Mount Rainier.
Lowest point: Washington's lowest point is Pacific Ocean at 0 feet; British Columbia's is Pacific Ocean at 0 feet. Both lowest points are at or near sea level.
Washington vs British Columbia Population and History
Population: Washington has a population of 7,958,180 (2024), while British Columbia has 5,658,528 (2026). Washington's population is 1.4 times (41%) larger than British Columbia's.
Population density: Washington: 119.8 people per square mile vs British Columbia: 15.8. Washington's population density is 7.6 times (658%) higher than British Columbia's.
Biggest city: Washington's biggest city is Seattle with 780,995 people; British Columbia's is Vancouver with 662,248. Seattle's population is 1.2 times (18%) larger than Vancouver's.
Largest metro area: Washington's largest metropolitan area is Seattle-Tacoma-Bellevue, WA metro area (4,145,494 people) vs British Columbia's Vancouver CMA (2,642,825). Seattle-Tacoma-Bellevue, WA metro area's population is 1.6 times (57%) larger than Vancouver CMA's.
History: Washington: Admitted to the Union on November 11, 1889, as the 42nd state. British Columbia: Joined Confederation on July 20, 1871. In its current form, British Columbia is the older of the two by 18 years.
Washington vs British Columbia Economy
GDP: Washington's GDP is $856.0 billion (2024) vs British Columbia's $313.3 billion. Washington's economic output is 2.7 times (173%) larger than British Columbia's.
GDP per capita: Washington: $107,564 per person vs British Columbia: $55,241. Washington's GDP per capita is 1.9 times (95%) higher than British Columbia's.
Official Websites
Washington official website · British Columbia official website
More Size Comparisons
All Washington size comparisons · All British Columbia 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.