Residential delivery area · Washington
ZIP Code 98110: Bainbridge Island, WA
ZIP code 98110 is in Bainbridge Island, Washington, entirely in Kitsap County (Census 2020 ZIP-county file). About 25,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $172,188 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Bainbridge Island · its only residential ZIP
- County
- Kitsap County
- Census places
- Bainbridge Island
- Metro area
- Bremerton-Silverdale-Port Orchard, WA
- House district
- WA-6 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 27.6 sq mi · 892 people per sq mi
Where is ZIP code 98110?
98110 centers on 47.647°, -122.535° and covers 27.6 square miles of land plus 11.2 of water.
The map draws ZIP code areas only. For the streets inside 98110, 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).
How does 98110 compare with the rest of Kitsap County?
| Measure | 98110 | In Kitsap County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 24,631 | 6th of 21 | 143rd of 605 |
| Median household income | $172k | 1st of 15 | 19th of 363 |
| Median home value | $1.16M | 1st of 16 | 16th of 392 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 77% 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 98110?
The 2020 Census counted 24,825 people in 98110; the ACS, which samples households over 2020-2024, estimates 24,631. Between the 2010 and 2020 censuses its population grew 7.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 24,631
- 2020 Census count
- 24,825+7.8% since 2010 (23,025)
- Households
- 9,887
- Median age
- 49.0
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 98110?
Of the 24,631 people the ACS estimates in 98110, 20.1% are under 18 and 27.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.0%).
- Under 1820.1%
- 18 to 6452.5%
- 65 and older27.4%
- White, not Hispanic82.0%
- Other or two or more9.2%
- Hispanic or Latino4.6%
- Asian, not Hispanic3.8%
- Black, not Hispanic0.4%
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 98110 earn?
Median household income is $172,188 (ACS 2020-2024), the highest of the 15 ranked ZIP codes in Kitsap County. It rose from $144,773 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $172,188
- Income per person
- $99,714
- Below the poverty line
- 3.5%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 76.4%
- Adjusted gross income per tax return, 2022
- $234,59812,450 returns; wages 49% 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 98110?
FHFA's house price index for 98110, built from repeat sales and appraisals of the same homes, rose 88% from 2015 to 2025 and rose 36% from 2020 to 2025, and moved +2.1% in 2025.
- Median home value (owners' estimate)
- $1,155,900
- Median gross rent
- $2,194
- Homes owned by their occupants
- 81.4%
- Housing units
- 10,900
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 98110?
968 business establishments had a location in this ZIP code in 2023, 38 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services236
- Health care and social assistance95
- Construction83
- Retail trade77
- Accommodation and food services75
- Other services (except public administration)73
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 98110?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98311 | Bremerton | 28,168 | $109k | 5.2 mi (near) |
| 98310 | Bremerton | 22,643 | $76k | 5.5 mi (near) |
| 98345 | Keyport | 221 | – | 5.6 mi (near) |
| 98199 | Seattle | 22,468 | $181k | 6.0 mi (near) |
| 98392 | Suquamish | 2,984 | $86k | 6.1 mi (near) |
| 98107 | Seattle | 28,776 | $143k | 7.4 mi (near) |
| 98117 | Seattle | 35,711 | $183k | 7.5 mi (near) |
| 98342 | Indianola | 1,338 | $103k | 7.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.