Washington is a US state located in the Pacific Northwest area on the Pacific Ocean’s coast. It was joined to the union as the 42nd state in 1889, and it is the 18th largest (184,827 km2) and 13th most populated (almost 7 million) of the 50 United States. Olympia, Washington’s capital city, has a population of 48,338 people and is located in Thurston County. Seattle is the biggest city in Washington state, covering an area of 217 km2 and having a population of 652,405 (as of 2013) with a density of 2,803 persons per km2. It is located in King County.
| Rank | Name | Population | Area (km²) | Density ( inhabitants/km²) | County |
|---|---|---|---|---|---|
| 1 | Seattle | 652,405 | 217 | 2,803 | King |
| 2 | Spokane | 210,721 | 178 | 1,176 | Spokane |
| 3 | Tacoma | 203,446 | 128 | 1,540 | Pierce |
| 4 | Vancouver | 167,405 | 121 | 1,335 | Clark |
| 5 | Bellevue | 133,992 | 86 | 1,474.00 | King |
| 6 | Kent | 124,435 | 87 | 1,356 | King |
| 7 | Everett | 105,370 | 85 | 1,201 | Snohomish |
| 8 | Renton | 97,003 | 60 | 1,516 | King |
| 9 | Yakima | 93,257 | 71 | 1,275 | Yakima |
| 10 | Federal Way | 92,734 | 57 | 1,548 | King |
| 11 | Spokane Valley | 91,113 | 97 | 918 | Spokane |
| 12 | Kirkland | 84,430 | 46 | 1,746 | King |
| 13 | Bellingham | 82,631 | 70 | 1,153 | Whatcom |
| 14 | Kennewick | 76,762 | 69 | 1,061 | Benton |
| 15 | Auburn | 74,860 | 76 | 914 | King, Pierce |
| 16 | Pasco | 67,599 | 81 | 749 | Franklin |
| 17 | Marysville | 63,269 | 53 | 1,120 | Snohomish |
| 18 | Lakewood | 59,097 | 44 | 1,307 | Pierce |
| 19 | Redmond | 57,530 | 42 | 1,273 | King |
| 20 | Shoreline | 54,790 | 30 | 1,754 | King |
| 21 | Richland | 52,413 | 99 | 481 | Benton |
| 22 | Sammamish | 50,169 | 47 | 980 | King |
| 23 | Burien | 49,858 | 26 | 1,846 | King |
| 24 | Olympia | 48,338 | 46 | 1,006 | Thurston |
| 25 | Lacey | 44,919 | 41 | 1,019 | Thurston |
