Residential delivery area · Washington
ZIP Code 98366: Port Orchard, WA
ZIP code 98366 uses the postal name Port Orchard, Washington and lies entirely in Kitsap County (Census 2020 ZIP-county file). About 37,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Port Orchard's 2 residential ZIP codes. Median household income is $92,011 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Port Orchard (19%), Southworth (14%), Manchester (13%), Parkwood (11%) and East Port Orchard (7%); 36% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Port Orchard · 2 residential ZIPs
- County
- Kitsap County
- Census places
- Port Orchard (19%); Southworth (14%) census-designated place; Manchester (13%) census-designated place; Parkwood (11%) census-designated place
- Neighborhood
- Conifer Park GeoNames
- Metro area
- Bremerton-Silverdale-Port Orchard, WA
- House district
- WA-6 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 23.4 sq mi · 1,579 people per sq mi
Where is ZIP code 98366?
98366 centers on 47.541°, -122.577° and covers 23.4 square miles of land plus 5.6 of water. It borders 1 ZIP code: 98367.
The map draws ZIP code areas only. For the streets inside 98366, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 98366 compare with the rest of Port Orchard?
| Measure | 98366 | In Port Orchard | In Kitsap County | In WA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 36,965 | 1st of 2 | 1st of 21 | 63rd of 605 |
| Median household income | $92k | 2nd of 2 | 11th of 15 | 182nd of 363 |
| Median home value | $476k | 2nd of 2 | 11th of 16 | 211th of 392 |
Its median household income is higher than in 75% of U.S. residential ZIP codes, and it is denser than 82% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 98366?
The 2020 Census counted 36,969 people in 98366; the ACS, which samples households over 2020-2024, estimates 36,965. Between the 2010 and 2020 censuses its population grew 7.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 36,965
- 2020 Census count
- 36,969+7.9% since 2010 (34,258)
- Households
- 14,296
- Median age
- 37.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 98366?
Of the 36,965 people the ACS estimates in 98366, 21.6% are under 18 and 16.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (73.7%), then Hispanic or Latino (10.7%).
- Under 1821.6%
- 18 to 6461.5%
- 65 and older16.9%
- White, not Hispanic73.7%
- Hispanic or Latino10.7%
- Other or two or more10.1%
- Asian, not Hispanic3.9%
- Black, not Hispanic1.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 98366 earn?
Median household income is $92,011 (ACS 2020-2024), the 11th highest of the 15 ranked ZIP codes in Kitsap County. It is not measurably different from 2015-2019 ($84,237 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $92,011
- Income per person
- $45,305
- Below the poverty line
- 9.3%
- Unemployed (of the labor force)
- 3.7%
- Adults 25+ with a bachelor's degree
- 27.6%
- Adjusted gross income per tax return, 2022
- $77,81717,210 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 98366?
FHFA's house price index for 98366, built from repeat sales and appraisals of the same homes, rose 129% from 2015 to 2025 and rose 43% from 2020 to 2025, and moved +3.3% in 2025.
- Median home value (owners' estimate)
- $475,800
- Median gross rent
- $1,738
- Homes owned by their occupants
- 69.3%
- Housing units
- 15,328
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 98366?
774 business establishments had a location in this ZIP code in 2023, 29 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance107
- Construction106
- Retail trade93
- Other services (except public administration)89
- Professional, scientific, and technical services81
- Accommodation and food services81
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 98366?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98367 | Port Orchard | 31,756 | $116k | 6.9 mi |
| 98337 | Bremerton | 7,370 | $69k | 3.2 mi (near) |
| 98314 | Bremerton | 1,186 | $184k | 3.2 mi (near) |
| 98310 | Bremerton | 22,643 | $76k | 3.8 mi (near) |
| 98353 | Manchester | 0 | – | 3.9 mi (near) |
| 98311 | Bremerton | 28,168 | $109k | 6.7 mi (near) |
| 98110 | Bainbridge Island | 24,631 | $172k | 7.6 mi (near) |
| 98359 | Olalla | 4,581 | $114k | 7.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.