| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bremerton | 1 | 45,886 | 43,534 | 0.89% | 1,614 | 28 | City |
| Bainbridge Island | 2 | 24,621 | 24,834 | -0.28% | 892 | 28 | City |
| Port Orchard | 3 | 20,695 | 15,615 | 4.31% | 2,146 | 10 | City |
| Poulsbo | 4 | 12,889 | 11,959 | 1.1% | 2,702 | 5 | City |
Bremerton is the largest city in Kitsap County, with a population of 45,886.
Poulsbo is the smallest city in Kitsap County, with a population of 12,889.
There are 4 cities in Kitsap County, Washington.