30 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bremerton | 1 | 45,707 | 43,626 | 0.92% | 1,608 | 28 | City |
| Bainbridge Island | 2 | 24,563 | 24,837 | -0.22% | 890 | 28 | City |
| Silverdale | 3 | 22,417 | 21,858 | 0.97% | 1,774 | 13 | CDP |
| Port Orchard | 4 | 19,995 | 15,629 | 4.57% | 2,073 | 10 | City |
| Poulsbo | 5 | 12,708 | 11,975 | 1.16% | 2,664 | 5 | City |
| Parkwood | 6 | 7,347 | 6,758 | 0.2% | 2,814 | 3 | CDP |
| Manchester | 7 | 6,188 | 6,050 | 0.85% | 2,116 | 3 | CDP |
| Bangor Base | 8 | 6,043 | 6,825 | -0.02% | 544 | 11 | CDP |
| Tracyton | 9 | 5,709 | 5,494 | 0.55% | 2,978 | 2 | CDP |
| East Port Orchard | 10 | 5,397 | 5,069 | -0.63% | 3,493 | 2 | CDP |
| Suquamish | 11 | 4,376 | 4,327 | 0.37% | 640 | 7 | CDP |
| Bethel | 12 | 4,347 | 4,182 | 1% | 1,375 | 3 | CDP |
| Indianola | 13 | 3,566 | 3,564 | 0.11% | 679 | 5 | CDP |
| Hansville | 14 | 3,285 | 3,858 | 0.4% | 310 | 11 | CDP |
| Chico | 15 | 3,280 | 3,184 | 2.12% | 1,359 | 2 | CDP |
| Key Center | 16 | 3,276 | 3,631 | -0.85% | 224 | 15 | CDP |
| Kingston | 17 | 3,224 | 2,836 | 2.38% | 1,528 | 2 | CDP |
| Burley | 18 | 2,996 | 2,515 | 2.15% | 630 | 5 | CDP |
| Navy Yard City | 19 | 2,685 | 2,973 | 0.52% | 4,373 | 1 | CDP |
| Kitsap Lake | 20 | 2,567 | 1,817 | 7.14% | 2,217 | 1 | CDP |
| Lofall | 21 | 1,975 | 2,119 | -1.05% | 988 | 2 | CDP |
| Southworth | 22 | 1,895 | 2,300 | -0.99% | 561 | 3 | CDP |
| Enetai | 23 | 1,765 | 1,993 | -1.94% | 1,686 | 1 | CDP |
| Stansberry Lake | 24 | 1,737 | 2,389 | -1.42% | 840 | 2 | CDP |
| Rocky Point | 25 | 1,542 | 1,418 | -0.06% | 2,166 | 1 | CDP |
| Erlands Point | 26 | 1,004 | 768 | 7.15% | 2,127 | 0 | CDP |
| Seabeck | 27 | 846 | 854 | -2.08% | 255 | 3 | CDP |
| Port Gamble Tribal Community | 28 | 834 | 783 | -0.6% | 197 | 4 | CDP |
| Gorst | 29 | 471 | 255 | -1.67% | 742 | 1 | CDP |
| Keyport | 30 | 216 | 339 | -9.62% | 432 | 1 | CDP |
Bremerton is the largest city in Kitsap County, with a population of 45,707.
Keyport is the smallest city in Kitsap County, with a population of 216.
There are 30 cities in Kitsap County, Washington.