Kittitas County, WA ZIP codes
There are 10 ZIP codes in Kittitas County, WA, in 10 towns, from 98068 to 98950. The largest are 98926 (Ellensburg), 98922 (Cle Elum) and 98946 (Thorp).
The county seat is Ellensburg.
- ZIP codes
- 10
- Towns
- 10
- County seat
- Ellensburg
- County FIPS
53037- State
- Washington
- Population
- 47,172
- Median household income
- $73,804
- Land area
- 2,297 sq mi
- Metro area
- Ellensburg
Kittitas County ZIP codes by town
- Ellensburg (county seat)
- 98926
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Kittitas County ZIP codes
The ZIP codes of Kittitas County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Kittitas County in numbers
About 47,172 people live in Kittitas County, in 19,993 households, the 23rd most populous of Washington's 39 counties. The median household income is $73,804 a year, 25% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $497,400 (12% below the Washington median), and median gross rent is $1,341 a month. The median age is 35.8; 37.0% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 23 minutes.
| Population | 47,172 |
|---|---|
| Households | 19,993 |
| Median age | 35.8 |
| Median household income | $73,804 |
| Median home value | $497,400 |
| Median gross rent | $1,341 |
| Bachelor's degree or higher | 37.0% |
| Mean commute | 23.3 min |
| Population density | 21 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Kittitas County
| Town | ZIP codes | Population |
|---|---|---|
| Ellensburg | 1 | 20,874 |
| Cle Elum | 1 | 1,905 |
| Kittitas | 1 | 1,221 |
| Roslyn | 1 | 1,076 |
| Easton | 1 | 647 |
| South Cle Elum | 1 | 579 |
| Snoqualmie Pass | 1 | 428 |
| Thorp | 1 | 230 |
| Ronald | 1 | 119 |
| Vantage | 1 | 61 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Kittitas County.
Not sure you are in Kittitas County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Kittitas County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
98068 | Snoqualmie Pass , WA | Standard | 482 | $100,096 | $904,000 |
98922 | Cle Elum , WA | Standard | 7,688 | $73,603 | $647,600 |
98925 | Easton , WA | Standard | 850 | $97,250 | $769,400 |
98926 | Ellensburg , WA | Standard | 34,353 | $71,137 | $470,300 |
98934 | Kittitas , WA | Standard | 775 | $79,063 | $319,900 |
98940 | Ronald , WA | Standard | 858 | $246,441 | $612,800 |
98941 | Roslyn , WA | Standard | 1,076 | $104,800 | $565,200 |
98943 | South Cle Elum , WA | Standard | 579 | $66,750 | $374,300 |
98946 | Thorp , WA | Standard | 398 | $121,875 | $384,500 |
98950 | Vantage , WA | Standard | 61 | — | — |
Cite this page
zipcodes.pro. “Kittitas County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wa/county/kittitas
Underlying data is public domain or openly licensed — sources, vintages and licences.