Seattle population
Seattle, Washington had an estimated 784,777 residents on July 1, 2025, the 18th-largest city in the US. That is up 28.9% since the 2010 Census and up 39.3% since 2000.
- Population, July 2025
- 784,777+6.5% since April 2020
- People per sq mile
- 9,34384.0 sq mi of land
- Median age
- 35.613% are 65 or older
- Households with kids
- 17.4%with anyone under 18
Population by year, 2000 to 2025
| Year | Population | Change | Basis |
|---|---|---|---|
| 2025 | 784,777 | +11,572 | Estimate, July 1 |
| 2024 | 773,205 | +13,810 | Estimate, July 1 |
| 2023 | 759,395 | +9,850 | Estimate, July 1 |
| 2022 | 749,545 | +15,795 | Estimate, July 1 |
| 2021 | 733,750 | -3,353 | Estimate, July 1 |
| 2020 | 737,103 | -16,188 | April 2020 estimates base |
| 2019 | 753,291 | +10,402 | Estimate, July 1 |
| 2018 | 742,889 | +13,245 | Estimate, July 1 |
| 2017 | 729,644 | +18,957 | Estimate, July 1 |
| 2016 | 710,687 | +22,440 | Estimate, July 1 |
| 2015 | 688,247 | +17,351 | Estimate, July 1 |
| 2014 | 670,896 | +16,596 | Estimate, July 1 |
| 2013 | 654,300 | +17,743 | Estimate, July 1 |
| 2012 | 636,557 | +13,427 | Estimate, July 1 |
| 2011 | 623,130 | +14,470 | Estimate, July 1 |
| 2010 | 608,660 | +4,471 | 2010 Census (April 1) |
| 2009 | 604,189 | +10,601 | Estimate, July 1 |
| 2008 | 593,588 | +6,632 | Estimate, July 1 |
| 2007 | 586,956 | +6,347 | Estimate, July 1 |
| 2006 | 580,609 | +7,273 | Estimate, July 1 |
| 2005 | 573,336 | +4,617 | Estimate, July 1 |
| 2004 | 568,719 | +1,968 | Estimate, July 1 |
| 2003 | 566,751 | -194 | Estimate, July 1 |
| 2002 | 566,945 | -224 | Estimate, July 1 |
| 2001 | 567,169 | +3,965 | Estimate, July 1 |
| 2000 | 563,204 | April 2000 estimates base |
Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.
Frequently asked questions
What is the population of Seattle in 2025?
The Census Bureau estimates Seattle had 784,777 residents on July 1, 2025, making it the 18th-largest city in the US.
Is Seattle growing?
Yes. Seattle has grown 28.9% since the 2010 Census (608,660 people), and grown 6.5% since 2020.
What was the population of Seattle in 2000?
About 563,204 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 608,660.
How dense is Seattle?
Seattle has about 9,343 people per square mile of land (84.0 square miles).
More about Seattle
See cost of living, jobs and commutes in Seattle, Seattle weather by month, or every Seattle ZIP code. For the biggest cities in the country, see the largest US cities.