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County ProfileWA

Kittitas County

Population: 44,337 · 10 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
44,337
People
Median age
35.8
Housing
Total households
19,993
Income
Median household income
$73,804
Housing
Total housing units
24,674
Employment
Employment rate
57.3%
Education
Bachelor’s degree or higher
37%
Healthcare
Insured population
94.2%
County details
Local time 00:14:33(PT)
NameKittitas
Total ZIP codes10total
ZIP codes (by type)
3 Standard7 PO Box
Area code425, 509
TimezonePacific Time (PT)
Coordinates47.1244411, -120.6767092
Land area2,297.3 sq miles(5,950 km²)

Map of Kittitas county, Washington with ZIP codes

Map of Kittitas County, Washington and ZIP codes

Cities and Communities in Kittitas County

Compare the largest cities in Kittitas County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Ellensburg18,666$55,4381ZIPs
Cle Elum2,157$63,9731ZIPs
Kittitas1,438$80,2781ZIPs
Roslyn950$104,8001ZIPs
South Cle Elum559$66,7501ZIPs
Ronald4391ZIPs
Easton407$112,5001ZIPs
Snoqualmie Pass372$140,0541ZIPs
Thorp232$120,7391ZIPs
Vantage541ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Kittitas County

Review the most populated postal areas across Kittitas County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
98926Ellensburg$71,13732,085
98922Cle Elum$73,6036,817
98934Kittitas$79,0631,164
98941Roslyn$104,800988
98940Ronald$246,441933
98925Easton$97,250608
98943South Cle Elum$66,750574
98068Snoqualmie Pass$100,096530
98946Thorp$121,875488
98950Vantage209

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS