Coupeville, WA · standard
ZIP Code 98239
Island County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,646
- 88/sq mi Moderate-density area
- $92,125
- Median income Above-median income area
- $593,700
- Median home value Above-median home value
- 45.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Coupeville pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 25%
- household income, US ZIPs
- Top 9%
- home value, US ZIPs
- 88
- people per sq mi
- 86%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 98239 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 98239 (Coupeville, WA) rose +4.6% from 2023 to 2024. The all-transactions index moved from 320.6 in 2023 to 335.4 in 2024 (2000 = 100).
ZIP code 98239 is a mid-sized community (a standard USPS delivery area) in Coupeville, Island County, Washington, home to 6,646 residents across 75.8 square miles, a density of 88 people per square mile, in the Los Angeles time zone.
ZIP 98239 lands in the middle-income range, with a median household income of $92,125 (1% above the average Washington ZIP), while per-capita income is $53,576. The poverty rate is 7.2%, with unemployment at 4.1%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $593,700 (16% above the average Washington ZIP), while 85.8% of occupied homes are owner-occupied and median rent is $1,287.
A solid share of residents have a four-year degree: 45.5% of adults hold a bachelor's degree or higher, the median age is 61.1, and the average commute is 32 minutes. The page also surfaces 4 ZIP codes within roughly 10 miles and 6 more in Island County, so 98239 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 98239
Top 5 sectors by establishment count in Coupeville, WA
Which industries have the most business establishments in ZIP 98239.
- Construction
Construction
36 establishments
- Health care and social assistance
Health care and social assistance
32 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
26 establishments
- Accommodation and food services
Accommodation and food services
22 establishments
- Retail trade
Retail trade
19 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 98239, Coupeville, WA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
6,646
Population
75.8
Area (sq mi)
88
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 98239?
61.1
Median Age
48.9%
Male
51.1%
Female
8.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$92,125
Median Household Income
+1% vs state ZIP avg
$53,576
Per Capita Income
7.2%
Poverty Rate
4.1%
Unemployment Rate
31.5 min
Mean Commute Time
How ZIP 98239 ranks among Washington ZIPs
Coupeville, WA household income vs. every Washington ZIP code
Median household income among 547 reporting Washington ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$92,125 Top 41% higher than 59% of 547 Washington ZIPs
Each bar is a $20K-wide band; taller bars hold more Washington ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
4,136housing units
4,136
Total Housing Units
3,453
Occupied Units
683
Vacant Units
2.18
Avg Household Size
Occupancy Type
$593,700
Median Home Value
+16% vs state ZIP avg
$1,287
Median Rent
1992
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+4.6%
YoY Change (2024)
335
HPI Index (2000 = 100)
+235%
Total Change Since 2000
Home values in ZIP 98239 have increased 4.6% over the past year (2024). Since 2000, this ZIP has seen +235% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +5.8% | 233 |
| 2021 | +16.4% | 271 |
| 2022 | +11.6% | 303 |
| 2023 | +6.0% | 321 |
| 2024 | +4.6% | 335 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 204 business establishments in ZIP 98239, employing approximately 1,683 people with a combined annual payroll of $106,738,000.
204
Businesses
1,683
Employees
$106.7M
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 36 | 17.6% |
| Health care and social assistance | 32 | 15.7% |
| Professional, scientific, and technical services | 26 | 12.8% |
| Accommodation and food services | 22 | 10.8% |
| Retail trade | 19 | 9.3% |
| Administrative and support and waste management and remediation services | 14 | 6.9% |
| Other services (except public administration) | 14 | 6.9% |
| Real estate and rental and leasing | 13 | 6.4% |
| Finance and insurance | 5 | 2.5% |
| Agriculture, forestry, fishing and hunting | 4 | 2.0% |
| Information | 4 | 2.0% |
| Arts, entertainment, and recreation | 4 | 2.0% |
| Manufacturing | 3 | 1.5% |
| Educational services | 3 | 1.5% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 98239 vs 98278 →
ZIP 98239 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 98277
Oak Harbor (98277)
37,823 residents
- 98239 6,646
Coupeville (98239)
6,646 residents
- 98253 1,837
Greenbank (98253)
1,837 residents
- 98278 1,065
Oak Harbor (98278)
1,065 residents
- 98358 897
Nordland (98358)
897 residents
What this shows Among its immediate neighbors, ZIP 98239 ranks #2 by population - useful context the national average alone can't give.
ZIP 98239 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 98358
Nordland (98358)
$110,368 median income
- 98239
Coupeville (98239)
$92,125 median income
- 98277
Oak Harbor (98277)
$83,253 median income
- 98253
Greenbank (98253)
$71,131 median income
What this shows By household income, ZIP 98239 ranks #2 of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 98239, both outside WA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (6,646 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Island County
Related Areas
Frequently Asked Questions
What county is ZIP code 98239 in?
ZIP code 98239 (Coupeville) is located in Island County, Washington. Island County contains multiple ZIP codes, see the full list at /counties/island-wa.
What is the population of ZIP code 98239?
ZIP code 98239 in Coupeville, WA has a population of 6,646 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 98239?
The median household income in ZIP 98239 is $92,125, which is 21% above the national average of $76,288.
What is the average home value in ZIP 98239?
The median home value in ZIP 98239 is $593,700, which is 113% above the national average of $278,155.
What is the demographic makeup of ZIP 98239?
The largest racial group in ZIP 98239 is White at 86.6%. Hispanic or Latino residents make up 5.3% of the population.
How many businesses are in ZIP code 98239?
ZIP code 98239 has 204 business establishments employing approximately 1,683 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 98239?
The top industries by establishment count in ZIP 98239 are: Construction (36), Health care and social assistance (32), Professional, scientific, and technical services (26). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 98239?
According to the FHFA House Price Index, home values in ZIP 98239 increased by 4.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 235%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 98239?
In ZIP code 98239, 65.2% of residents aged 25+ have a high school diploma or higher, and 45.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 98239?
The mean commute time for workers in ZIP code 98239 is 31.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 98239?
In ZIP code 98239, approximately 85.8% of occupied housing units are owner-occupied and 14.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 98239?
The poverty rate in ZIP code 98239 is 7.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 98239's numbers, next.
- See how ZIP 98239 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Coupeville, WA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.