Issaquah, WA

Single-footprint Census roll-up for Issaquah, WA: 2 USPS ZIPs, population 50,489. 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 ISSAQUAH-WA · Issaquah, WA 2 ZIPs · 50,489 pop · #615/25278 · King County

INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-FEW · OWN-LOW · POP-SMALL · SPREAD-TIGHT · HOME-TOP

  • INC-TOP $162,030
  • RANK-TOP #615/25278
  • PHOTO-FINISH ≈ Kirkland
  • BOOK-FEW 2 ZIPs
  • OWN-LOW 65% owners
  • POP-SMALL 50,489
  • SPREAD-TIGHT 98027→98029
  • HOME-TOP $1,029,900

Nearest income peer: Kirkland, WA ( $3,170 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 Issaquah

Lowest/highest poles plus county-sharing cities nearest Issaquah 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, Issaquah, WA sits among US cities with a top-decile household income, on a small-city population base, across a handful of delivery areas.

Top 2%
household income vs 25,278 US cities
50,489
city population (Census)
2
USPS ZIP codes covered
$162,030
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.

High-income footprint on only 2 ZIPs: the city page and the ZIP page nearly coincide. Headline income $162,030 and home value $1,029,900 should be read as near-neighborhood numbers ; bachelor's attainment averages 69.5%.

Owner-occupancy is comparatively low (64.9%) for this income tier, rent $2,570 may matter more than the home-value average.

Within Washington, Duvall is the closest lower-income city and Carnation the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Issaquah.

Within-city ZIP comparison

Where the ZIP codes inside Issaquah differ

The published income range is comparatively compact across the ZIPs in Issaquah: $153,301 in ZIP 98027 to $170,759 in 98029. The city average is therefore a more representative summary here, though each ZIP page still carries its own housing and demographic record.

Income high-to-low ratio
1.1×

98027 to 98029

Home-value high-to-low ratio
1.1×

98027 to 98029

Poverty-rate spread
0.6 points

98029 to 98027

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Lead ZIP 98027 skews compact Issaquah

In this 2-ZIP cluster, 98027 covers about 52% of Issaquah's 50,489 residents. City averages lean toward that lead; open a thinner sibling ZIP for the contrast the mean hides.

Census ZBP business roll-up

Employer-heavy short list in Issaquah

Citywide ZBP: 1,766 establishments, 30,685 employees , annual payroll $2,798,664k (~35 establishments per 1,000 residents) across 2 of 2 ZIPs. Peak business ZIP 98027 (1,268 units) ; leading NAICS Professional, scientific, and technical services (282) · also Health care and social assistance · Retail trade .

View your shortlist →

ZIP Codes in Issaquah, WA

These ZIP codes sit in King County, which covers 85 ZIP codes in all; 2 of them fall in Issaquah. See the King County roll-up →

Issaquah lands mid-pack among the 12 cities sharing King County: Bellevue, Redmond and Sammamish earn more and Seattle, Kent and Renton earn less. Sammamish marks the far end of that range at $247,182, 53% above Issaquah.

Side-by-side: Compare 98027 vs 98029 →

ZIP Code Population Median income Establishments Density
98027 26,141 $153,301 1,268 181
98029 24,348 $170,759 498 1,050

Issaquah 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 Issaquah, .