ZIP code · Kittitas · Washington · United States

ZIP code 98934 — Kittitas

ZIP code 98934 serves Kittitas, Washington.

Postal code
98934
Single source Value from one source, not cross-checked.
City
Kittitas
County
Kittitas FIPS 53037
State
Washington
Country
United States
Coordinates
46.9806, -120.4163 — precision precise (locality)
View on OpenStreetMap
Population
803 (ZCTA, ACS 5-year)
Population density
705 / sq mi
Land area
1.1 sq mi (3 km²) (ZCTA, ACS 5-year)
Median household income
$59,250
Per-capita income
$46,567
Median age
54.5
Households
489
Housing units
511
Median home value
$283,000
Median gross rent
$1,048 / month
Congressional district
WA-8 (119th Congress)
USDA hardiness zone
6b (-5 to 0 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Los_Angeles (UTC−8 / UTC−7 DST)
Area code
509 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 85°F), coldest Jan (avg low 20°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F354352606976858576624635
Avg low °F202228344248545243342620
Precip in1.20.80.80.60.80.60.30.20.30.81.11.4

NOAA 1991–2020 climate normals from the nearest station: ELLENSBURG (5.9 mi) · NOAA NCEI

Places in ZIP 98934

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page