Kitsap County, Washington ZIP Codes
- ZIP records
20 - Cities represented
14 - Sum of listed ZIP population estimates
277,633
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 98366 | Port Orchard | 36,965 |
| 2 | 98312 | Bremerton | 36,307 |
| 3 | 98370 | Poulsbo | 33,655 |
| 4 | 98367 | Port Orchard | 31,756 |
| 5 | 98311 | Bremerton | 28,168 |
| 6 | 98110 | Bainbridge Island | 24,631 |
| 7 | 98310 | Bremerton | 22,643 |
| 8 | 98383 | Silverdale | 21,604 |
| 9 | 98346 | Kingston | 9,920 |
| 10 | 98337 | Bremerton | 7,370 |
Cities in Kitsap County
- Bainbridge Island
- Bremerton
- Hansville
- Indianola
- Keyport
- Kingston
- Manchester
- Olalla
- Port Gamble
- Port Orchard
- Poulsbo
- Seabeck
- Silverdale
- Suquamish
ZIP Directory
- ZIP 98110
- ZIP 98310
- ZIP 98311
- ZIP 98312
- ZIP 98314
- ZIP 98315
- ZIP 98337
- ZIP 98340
- ZIP 98342
- ZIP 98345
- ZIP 98346
- ZIP 98353
- ZIP 98359
- ZIP 98364
- ZIP 98366
- ZIP 98367
- ZIP 98370
- ZIP 98380
- ZIP 98383
- ZIP 98392
Browse all ZIP data for Washington
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.