PlainZIP

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
$92,125
Median income
$593,700
Median home value
45.5%
Bachelor's or higher

The verdict

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.

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 Washington average), while per-capita income is $53,576. Poverty here runs at 7.2%, with unemployment measured at 4.1%. Housing costs here run $593,700 for a typical home value (16% above the state average), with rent averaging $1,287 a month; 85.8% of homes are owner-occupied.

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. Beyond these figures, 4 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Island County, letting you compare 98239 to its immediate surroundings rather than a national baseline alone.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 98239?

61.1

Median Age

48.9%

Male

51.1%

Female

8.0%

Foreign-Born

White 86.6%
African American 1.6%
Asian 3.1%
American Indian or Alaska Native 0.6%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 5.8%
Hispanic or Latino 5.3%

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

$53,576

Per Capita Income

7.2%

Poverty Rate

4.1%

Unemployment Rate

31.5 min

Mean Commute Time

How ZIP 98239 ranks nationally

Coupeville, WA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$92,125 Top 25% higher than 75% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 65.2%
Bachelor's Degree or Higher 45.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

4,136

Total Housing Units

3,453

Occupied Units

683

Vacant Units

2.18

Avg Household Size

Occupancy Type

Owner 85.8%
Renter 14.2%

$593,700

Median Home Value

+16% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 98239 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 98239 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
98278 Oak Harbor, WA 1,065 10.3 mi
98277 Oak Harbor, WA 37,823 8.7 mi
98358 Nordland, WA 897 9.6 mi
98253 Greenbank, WA 1,837 8.3 mi

More ZIP Codes in Island County

98277 standard
Oak Harbor, WA
Pop: 37,823
98282 standard
Camano Island, WA
Pop: 15,661
98236 standard
Clinton, WA
Pop: 5,635
98260 standard
Langley, WA
Pop: 5,278
98249 standard
Freeland, WA
Pop: 4,561
98253 standard
Greenbank, WA
Pop: 1,837

Related Areas

Island County Coupeville, WA Washington

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.

Read our methodology to see how this data is sourced, computed, and verified.