Issaquah, WA · standard
ZIP Code 98027
King County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 26,141
- 181/sq mi High-density area
- $153,301
- Median income Above-median income area
- $996,600
- Median home value Above-median home value
- 66.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Issaquah pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 3%
- household income, US ZIPs
- Top 2%
- home value, US ZIPs
- 181
- people per sq mi
- 68%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 98027 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 98027 (Issaquah, WA) rose +8.3% from 2023 to 2024. The all-transactions index moved from 345.0 in 2023 to 373.6 in 2024 (2000 = 100).
ZIP code 98027 is a densely settled ZIP (a standard USPS delivery area) in Issaquah, King County, Washington, with 26,141 residents across 144.6 square miles, a density of 181 people per square mile, in the Los Angeles time zone.
ZIP 98027 skews affluent, with a median household income of $153,301 (69% above the average Washington ZIP), while per-capita income is $85,051. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.5% and unemployment is 3.7%. Housing is both higher-cost and owner-heavy: median home value is $996,600 (95% above the average Washington ZIP), while 67.6% of occupied homes are owner-occupied and median rent is $2,400.
This is a highly-educated ZIP: 66.8% of adults hold a bachelor's degree or higher, the median age is 40.6, and the average commute is 26 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in King County, so 98027 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 98027
Top 5 sectors by establishment count in Issaquah, WA
Which industries have the most business establishments in ZIP 98027.
- Health care and social assistance
Health care and social assistance
212 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
201 establishments
- Retail trade
Retail trade
116 establishments
- Construction
Construction
113 establishments
- Accommodation and food services
Accommodation and food services
113 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 98027, Issaquah, 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
26,141
Population
144.6
Area (sq mi)
181
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 98027?
40.6
Median Age
50.4%
Male
49.6%
Female
18.3%
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?
$153,301
Median Household Income
+69% vs state ZIP avg
$85,051
Per Capita Income
5.5%
Poverty Rate
3.7%
Unemployment Rate
26.0 min
Mean Commute Time
How ZIP 98027 ranks among Washington ZIPs
Issaquah, 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)
$153,301 Top 6% higher than 94% 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
12,322housing units
12,322
Total Housing Units
11,804
Occupied Units
518
Vacant Units
2.43
Avg Household Size
Occupancy Type
$996,600
Median Home Value
+95% vs state ZIP avg
$2,400
Median Rent
1988
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
+8.3%
YoY Change (2024)
374
HPI Index (2000 = 100)
+274%
Total Change Since 2000
Home values in ZIP 98027 have increased 8.3% over the past year (2024). Since 2000, this ZIP has seen +274% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.3% | 247 |
| 2021 | +11.5% | 276 |
| 2022 | +20.3% | 332 |
| 2023 | +4.0% | 345 |
| 2024 | +8.3% | 374 |
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 1,268 business establishments in ZIP 98027, employing approximately 22,093 people with a combined annual payroll of $2,222,850,000.
1,268
Businesses
22,093
Employees
$2.2B
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 212 | 16.7% |
| Professional, scientific, and technical services | 201 | 15.8% |
| Retail trade | 116 | 9.2% |
| Construction | 113 | 8.9% |
| Accommodation and food services | 113 | 8.9% |
| Other services (except public administration) | 101 | 8.0% |
| Real estate and rental and leasing | 83 | 6.5% |
| Finance and insurance | 70 | 5.5% |
| Wholesale trade | 62 | 4.9% |
| Administrative and support and waste management and remediation services | 57 | 4.5% |
| Educational services | 42 | 3.3% |
| Arts, entertainment, and recreation | 28 | 2.2% |
| Information | 22 | 1.7% |
| Manufacturing | 18 | 1.4% |
| Transportation and warehousing | 15 | 1.2% |
| Management of companies and enterprises | 7 | 0.6% |
| Agriculture, forestry, fishing and hunting | 5 | 0.4% |
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 98027 vs 98029 →
ZIP 98027 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 98042
Kent (98042)
43,673 residents
- 98058
Renton (98058)
41,938 residents
- 98059
Renton (98059)
34,463 residents
- 98038
Maple Valley (98038)
31,171 residents
- 98027
Issaquah (98027)
26,141 residents
- 98074
Sammamish (98074)
25,748 residents
- 98008
Bellevue (98008)
24,411 residents
- 98029
Issaquah (98029)
24,348 residents
- 98075
Sammamish (98075)
20,715 residents
What this shows Among its immediate neighbors, ZIP 98027 ranks #5 by population - useful context the national average alone can't give.
ZIP 98027 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 98075
Sammamish (98075)
$250,000 median income
- 98074
Sammamish (98074)
$244,362 median income
- 98008
Bellevue (98008)
$184,583 median income
- 98029
Issaquah (98029)
$170,759 median income
- 98024
Fall City (98024)
$160,641 median income
- 98027
Issaquah (98027)
$153,301 median income
- 98038
Maple Valley (98038)
$152,261 median income
- 98059
Renton (98059)
$138,654 median income
- 98042
Kent (98042)
$127,552 median income
What this shows By household income, ZIP 98027 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 98029 | Issaquah, WA | 24,348 | 4.0 mi |
| 98050 | Preston, WA | 322 | 4.0 mi |
| 98059 | Renton, WA | 34,463 | 5.7 mi |
| 98075 | Sammamish, WA | 20,715 | 6.2 mi |
| 98038 | Maple Valley, WA | 31,171 | 6.2 mi |
| 98074 | Sammamish, WA | 25,748 | 8.6 mi |
| 98024 | Fall City, WA | 5,650 | 6.8 mi |
| 98058 | Renton, WA | 41,938 | 7.1 mi |
| 98008 | Bellevue, WA | 24,411 | 8.9 mi |
| 98042 | Kent, WA | 43,673 | 10.8 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 98027, 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 (26,141 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in King County
Related Areas
Frequently Asked Questions
What county is ZIP code 98027 in?
ZIP code 98027 (Issaquah) is located in King County, Washington. King County contains multiple ZIP codes, see the full list at /counties/king-wa.
What is the population of ZIP code 98027?
ZIP code 98027 in Issaquah, WA has a population of 26,141 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 98027?
The median household income in ZIP 98027 is $153,301, which is 101% above the national average of $76,288.
What is the average home value in ZIP 98027?
The median home value in ZIP 98027 is $996,600, which is 258% above the national average of $278,155.
What is the demographic makeup of ZIP 98027?
The largest racial group in ZIP 98027 is White at 67.9%. Hispanic or Latino residents make up 7.0% of the population.
How many businesses are in ZIP code 98027?
ZIP code 98027 has 1,268 business establishments employing approximately 22,093 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 98027?
The top industries by establishment count in ZIP 98027 are: Health care and social assistance (212), Professional, scientific, and technical services (201), Retail trade (116). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 98027?
According to the FHFA House Price Index, home values in ZIP 98027 increased by 8.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 274%. 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 98027?
In ZIP code 98027, 75.5% of residents aged 25+ have a high school diploma or higher, and 66.8% 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 98027?
The mean commute time for workers in ZIP code 98027 is 26.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 98027?
In ZIP code 98027, approximately 67.6% of occupied housing units are owner-occupied and 32.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 98027?
The poverty rate in ZIP code 98027 is 5.5% 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 98027's numbers, next.
- See how ZIP 98027 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Issaquah, 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.