Residential delivery area · Washington
ZIP Code 98239: Coupeville, WA
ZIP code 98239 uses the postal name Coupeville, Washington and lies entirely in Island County (Census 2020 ZIP-county file). About 7,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $92,125 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Coupeville; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Coupeville · its only residential ZIP
- County
- Island County
- Census places
- Coupeville
- Micro area
- Oak Harbor, WA
- House district
- WA-2 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 31.0 sq mi · 247 people per sq mi
Where is ZIP code 98239?
98239 centers on 48.198°, -122.654° and covers 31.0 square miles of land plus 13.9 of water. It borders 2 ZIP codes: 98277, 98253.
The map draws ZIP code areas only. For the streets inside 98239, 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 98239 compare with the rest of Island County?
| Measure | 98239 | In Island County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 7,656 | 3rd of 8 | 258th of 605 |
| Median household income | $92k | 5th of 6 | 181st of 363 |
| Median home value | $594k | 6th of 7 | 132nd of 392 |
Its median household income is higher than in 75% of U.S. residential ZIP codes, and it is denser than 65% 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 98239?
The 2020 Census counted 7,394 people in 98239; the ACS, which samples households over 2020-2024, estimates 7,656. Between the 2010 and 2020 censuses its population grew 11.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 7,656
- 2020 Census count
- 7,394+11.3% since 2010 (6,646)
- Households
- 3,453
- Median age
- 61.1
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 98239?
Of the 7,656 people the ACS estimates in 98239, 12.4% are under 18 and 42.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (85.0%).
- Under 1812.4%
- 18 to 6445.4%
- 65 and older42.1%
- White, not Hispanic85.0%
- Hispanic or Latino5.3%
- Other or two or more5.2%
- Asian, not Hispanic2.9%
- 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 98239 earn?
Median household income is $92,125 (ACS 2020-2024), the 5th highest of the 6 ranked ZIP codes in Island County. It is not measurably different from 2015-2019 ($81,708 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $92,125±$14,746
- Income per person
- $53,576
- Below the poverty line
- 7.2%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 45.5%
- Adjusted gross income per tax return, 2022
- $98,9513,800 returns; wages 47% 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 98239?
FHFA's house price index for 98239, built from repeat sales and appraisals of the same homes, rose 95% from 2015 to 2025 and rose 39% from 2020 to 2025, and moved −3.4% in 2025.
- Median home value (owners' estimate)
- $593,700
- Median gross rent
- $1,287
- Homes owned by their occupants
- 85.8%
- Housing units
- 4,136
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 98239?
204 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction36
- Health care and social assistance32
- Professional, scientific, and technical services26
- Accommodation and food services22
- Retail trade19
- Administrative and support and waste management and remediation services14
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 98239?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98277 | Oak Harbor | 40,917 | $83k | 8.6 mi |
| 98253 | Greenbank | 2,311 | $71k | 8.7 mi |
| 98282 | Camano Island | 17,303 | $105k | 7.2 mi (near) |
| 98278 | Oak Harbor | 1,932 | – | 9.9 mi (near) |
| 98358 | Nordland | 1,164 | $110k | 10.7 mi (near) |
| 98339 | Port Hadlock | 3,658 | $78k | 12.5 mi (near) |
| 98368 | Port Townsend | 17,304 | $70k | 13.5 mi (near) |
| 98249 | Freeland | 4,198 | $100k | 13.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.