| ZIP Codes: | 26 ZIP Codes (16 Standard, 9 PO Box, 1 Unique) [See All] |
| Area Codes: | 206 / 253 / 360 / 564 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:14:16 PM |
| Population: | 277,633 [See All] |
| FIPS: | 53035 |
| CBSA: | Bremerton-Silverdale-Port Orchard, WA |
| Land Area: | 405 sq mi |
| Water Area: | 62 sq mi |
| Coordinates: | 47.6262, -122.6155 |
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277,633 residents live across 26 ZIPs covering 405 sq mi, served by 20 distinct USPS-recognized cities.
Population moved from 253,593 to 277,633 from 2014 to 2024 — a +9.5% change. 12 ZIPs gained residents, 8 lost.
The county's wealthiest ZIP 98314 (Bremerton, $184,417 median) and poorest ZIP 98337 (Bremerton, $68,561) are 0.9 miles apart — a 2.7× income gap across local geography.
Median home values vary 2.8× across this county — from $417,700 in 98337 (Bremerton) to $1,155,900 in 98110 (Bainbridge Island).
Density varies 50× across the county — from 110 people/sq mi in 98380 (Seabeck) to 5,462 in 98337 (Bremerton).
Most of the decade's growth concentrated around Bremerton — top growth ZIPs averaged +17.3% over the past ten years ( 98370 , 98337 and 98312 ).
Educational attainment ranges from 25.8% bachelor's+ in 98315 (Silverdale) to 76.4% in 98110 (Bainbridge Island) — the breadth of educational profiles across the area.
Within Washington, this is the #7 most populous of 39 counties and ranks #3 for median household income with the #26 fastest decade growth .
Hosts 1 single-entity Unique ZIP: 98314Puget Sound Naval Shipyard .
Weighted by population, the typical household earns about $107,690 across the county — reflecting what a typical resident sees, not a simple ZIP average.
38.0% of adults age 25+ hold a bachelor's degree or higher (75,280 of 198,294 reporting).
16 Standard delivery, 9 PO Box only, 1 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 98366 | Port Orchard | Standard | 36,965 | $92,011 | 24.3 | 11.0% |
| 98312 | Bremerton | Standard | 36,307 | $90,449 | 70.2 | 15.9% |
| 98370 | Poulsbo | Standard | 33,655 | $116,756 | 60.4 | 18.2% |
| 98367 | Port Orchard | Standard | 31,756 | $115,482 | 70.4 | 15.0% |
| 98311 | Bremerton | Standard | 28,168 | $108,757 | 11.1 | 5.6% |
| 98110 | Bainbridge Island | Standard | 24,631 | $172,188 | 27.8 | 6.1% |
| 98310 | Bremerton | Standard | 22,643 | $75,878 | 5.5 | 15.9% |
| 98383 | Silverdale | Standard | 21,604 | $111,139 | 17.9 | 3.8% |
| 98346 | Kingston | Standard | 9,920 | $114,779 | 31.4 | -5.8% |
| 98337 | Bremerton | Standard | 7,370 | $68,561 | 1.3 | 17.7% |
| 98315 | Silverdale | Standard | 6,112 | $79,918 | 7.7 | -3.8% |
| 98380 | Seabeck | Standard | 5,471 | $125,229 | 49.8 | 8.8% |
| 98359 | Olalla | Standard | 4,581 | $114,091 | 13.9 | 2.0% |
| 98392 | Suquamish | Standard | 2,984 | $85,530 | 1.8 | -1.2% |
| 98340 | Hansville | Standard | 2,721 | $79,876 | 8.2 | 3.1% |
| 98342 | Indianola | Standard | 1,338 | $102,778 | 2.7 | -5.8% |
| 98314 | Bremerton | Unique | 1,186 | $184,417 | 0.2 | -45.5% |
| 98345 | Keyport | PO Box | 221 | — | 0.5 | -59.3% |
| 98353 | Manchester | PO Box | 0 | — | 0.0 | -100.0% |
| 98364 | Port Gamble | PO Box | 0 | — | 0.0 | -100.0% |
| 98322 | Burley | PO Box | — | — | 0.0 | — |
| 98386 | Southworth | PO Box | — | — | 0.0 | — |
| 98384 | South Colby | PO Box | — | — | 0.0 | — |
| 98378 | Retsil | PO Box | — | — | 0.0 | — |
| 98061 | Rollingbay | PO Box | — | — | 0.0 | — |
| 98393 | Tracyton | PO Box | — | — | 0.0 | — |