Seattle
369 km²
Washington D.C.
177 km²
United States
USA
Area Comparison
Seattle is 2.1x larger than Washington D.C.
Population Comparison
Seattle has 1.1x more people than Washington D.C.
Yes — Seattle is 2.1x larger than Washington D.C. by area. Seattle spans 369 km² (142 mi²) while Washington D.C. covers 177 km² (68 mi²) — a difference of 192 km². You could fit Washington D.C. inside Seattle approximately 2 times.
To put Seattle's size in perspective, its area of 369 km² is about 1.6x smaller than Seoul. Meanwhile, Washington D.C. at 177 km² is roughly the same size as Washington D.C..
Picture Seattle another way: its area is large enough to fit about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park. Washington D.C., by comparison, equals about 25,000 American football fields, 88 times the area of Monaco, or 52 times the area of Central Park.
Seattle is the most populous city in the U.S. state of Washington and the Pacific Northwest region of North America. It is the 18th-most populous city in the United States with a population of 780,995 in 2024, while the Seattle metropolitan area at over 4.15 million residents is the 15th-most populous metropolitan area in the nation. The city is the county seat of King County, the most populous county in Washington.
Known as "The Emerald City", Seattle covers 369 km² with a population of 0.7 million. The city was established in 1851. Seattle is known for Space Needle, Pike Place Market, Starbucks headquarters, among other attractions.
Seattle is Washington's most populous city with 780,995 residents in 2024, anchoring the Pacific Northwest.
Washington, D.C., officially the District of Columbia and commonly known as simply Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River across from Virginia and shares land borders with Maryland to its north and east. It was named after George Washington, a Founding Father and the first president of the United States.
Also known as "D.C.", Washington D.C. has an area of 177 km² and is home to 0.7 million people. It was established in 1790. Visitors come for White House, U.S. Capitol, Lincoln Memorial, and much more. Getting around is easy with the Washington Metro.
Washington D.C. sits on the Potomac River across from Virginia and is bordered by Maryland to its north and east
Seattle has a population density of 2,005 people per km² — a moderately dense city. Washington D.C., with 3,898 people per km², is a moderately dense city. Washington D.C. is noticeably denser, packing 1.9 times more people per square kilometer.
Size Ratio
Washington D.C. fits inside Seattle ~2 times
Density Gap
Washington D.C. is 1.9x more densely populated
Seattle covers 369 km². Cities with a similar urban footprint include Philadelphia (370 km²), Dhaka (368 km²), Portland (376 km²), Atlanta (348 km²), or Denver (401 km²).
Washington D.C. covers 177 km². Cities with a similar urban footprint include Stockholm (188 km²), Brussels (161 km²), Buenos Aires (203 km²), Minneapolis (149 km²), or Helsinki (214 km²).
The straight-line distance from Seattle to Washington D.C. is 3,736 km (2,322 miles), with an estimated flight time of ~4h 54m.
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