Oak Harbor, WA

Single-footprint Census roll-up for Oak Harbor, WA: 2 USPS ZIPs, population 38,888. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet OAK-HARBOR-WA · Oak Harbor, WA 2 ZIPs · 38,888 pop · #8250/25278 · Island County

INC-HIGH · RANK-UPPER · BELOW-PEER · BOOK-FEW · OWN-LOW · POP-SMALL · SPREAD-UNK · HOME-HIGH

  • INC-HIGH $83,253
  • RANK-UPPER #8250/25278
  • BELOW-PEER under Coupeville
  • BOOK-FEW 2 ZIPs
  • OWN-LOW 60% owners
  • POP-SMALL 38,888
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $499,600

Nearest income peer: Coupeville, WA (+ $8,872 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Oak Harbor

Lowest/highest poles plus county-sharing cities nearest Oak Harbor on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Oak Harbor, WA sits among US cities with an above-median household income, on a small-city population base, across a handful of delivery areas.

Top 33%
household income vs 25,278 US cities
38,888
city population (Census)
2
USPS ZIP codes covered
$83,253
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Above-median income on a short ZIP list (2) - lead code 98277 (37,823 residents). Household income $83,253 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy is comparatively low (59.7%) for this income tier, rent $1,672 may matter more than the home-value average.

Within Washington, Ilwaco is the closest lower-income city and Tenino the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Oak Harbor.

Population concentration

ZIP 98277 swallows Oak Harbor's short list

Across only 2 ZIPs, 98277 still holds about 97% of Oak Harbor's 38,888 residents. The secondary codes are thin edges; treat the city average as a near-reprint of the lead ZIP.

Census ZBP business roll-up

Balanced ZBP roll-up inside compact Oak Harbor

Citywide ZBP: 731 establishments, 7,314 employees , annual payroll $327,310k (~19 establishments per 1,000 residents) across 2 of 2 ZIPs. Peak business ZIP 98277 (702 units) ; leading NAICS Construction (111) · also Health care and social assistance · Retail trade .

View your shortlist →

ZIP Codes in Oak Harbor, WA

These ZIP codes sit in Island County, which covers 8 ZIP codes in all; 2 of them fall in Oak Harbor. See the Island County roll-up →

Oak Harbor sits in the lower half of Island County on income: Camano Island, Coupeville and Clinton report more, and only Greenbank reports less. Camano Island marks the far end of that range at $105,231, 26% above Oak Harbor.

Side-by-side: Compare 98277 vs 98278 →

ZIP Code Population Median income Establishments Density
98277 37,823 $83,253 702 259
98278 1,065 n/a 29 78

Oak Harbor roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Oak Harbor, .