Houston
1,725 km²
Seattle
369 km²
United States
United States
Area Comparison
Houston is 4.7x larger than Seattle
Population Comparison
Houston has 3.1x more people than Seattle
Yes — Houston is 4.7x larger than Seattle by area. Houston spans 1,725 km² (666 mi²) while Seattle covers 369 km² (142 mi²) — a difference of 1,356 km². You could fit Seattle inside Houston approximately 4 times.
To put Houston's size in perspective, its area of 1,725 km² is roughly the same size as London. Meanwhile, Seattle at 369 km² is about 1.6x smaller than Seoul.
Picture Houston another way: its area is large enough to fit about 242,000 American football fields, 29 times the area of Manhattan, or 16 times the area of Paris. For Seattle, that's about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
Houston is the most populous city in the U.S. state of Texas and the Southern United States. It is the fourth-most populous city in the United States, with a population of 2.3 million at the 2020 census. The Greater Houston metropolitan area, at 7.8 million residents, is the fifth-most populous metropolitan area in the nation and second-most populous in Texas. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, Houston is the county seat of Harris County.
Known as "Space City", Houston covers 1,725 km² with a population of 2.3 million. The city was established in 1836. Houston is known for NASA Johnson Space Center, Space Center Houston, Houston Astros, among other attractions.
Houston is the fourth-most populous US city with 2.3 million residents at the 2020 census, leading the entire South.
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.
Often called "The Emerald City", Seattle has an area of 369 km² and is home to 0.7 million people. Its history stretches back to 1851. Visitors come for Space Needle, Pike Place Market, Starbucks headquarters, and much more.
Seattle is Washington's most populous city with 780,995 residents in 2024, anchoring the Pacific Northwest.
Houston has a population density of 1,333 people per km² — a relatively spread-out city. Seattle, with 2,005 people per km², is a moderately dense city. Seattle is noticeably denser, packing 1.5 times more people per square kilometer.
Size Ratio
Seattle fits inside Houston ~4 times
Density Gap
Seattle is 1.5x more densely populated
Houston covers 1,725 km². Cities with a similar urban footprint include Riyadh (1,798 km²), Johannesburg (1,644 km²), Bogotá (1,578 km²), London (1,572 km²), or Bangkok (1,569 km²).
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).
The straight-line distance from Houston to Seattle is 3,041 km (1,889 miles), with an estimated flight time of ~4h 5m.
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