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ZIP Code 98940, Washington

ZIP Code 98940 profile, demographic data, and geographic information.

ZCTA5 98940 is a 5-digit ZIP Code area located in Kittitas County, Washington. As of official census estimates, it has a reported population of 858. The land area covers 159.85 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 858 ±510 2020-2024 / Census ACS 5-Year 2024
Median Age 55 yrs ±17.4 2020-2024 / Census ACS 5-Year 2024
Total Households 332 ±173 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 1,075 ±243
Occupied Housing Units 332 ±173
Vacant Housing Units 743 ±202
Median Home Value $612,800 ±$130,240
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $246,441 ±$194,058
Per Capita Income $107,691 ±$60,891
Poverty Rate 0% ±1.5%
Population Below Poverty Level 0 ±13
Unemployment Rate 0% ±4.2%
Civilian Labor Force, Employed 309 ±237
Broadband Internet Rate 100% ±0%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 48,172 (2024)
ID: 183786
County Official County Government
Contact: CHAIRMAN
205 W 5TH AVE, STE 108, ELLENSBURG WA 98926-2887

Education

Listing 5 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Cle Elum, WA
Regular School Nearby 09-12 Cle Eum, WA
Regular School Nearby KG-12 EASTON, WA
Alternative School Nearby 09-12 Cle Elum, WA
Regular School Nearby 06-08 Cle Elum, WA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 4 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
ROSLYN PUBLIC LIBRARY
Library 9.9 mi away 201 S. FIRST ST., ROSLYN, WA, 98941
(509) 649-3420
CLE ELUM (CARPENTER MEMORIAL) LIBRARY
Library 12.4 mi away 302 PENNSYLVANIA AVE., CLE ELUM, WA, 98922
(509) 674-2313
LEAVENWORTH PUBLIC LIBRARY
Library 23.8 mi away 700 HIGHWAY 2, LEAVENWORTH, WA, 98826
(509) 548-7923
PESHASTIN PUBLIC LIBRARY
Library 24.9 mi away 8396 MAIN ST, PESHASTIN, WA, 98847
(509) 548-7821
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at EASTON, WA US, located 10.8 miles from ZCTA5 98940. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 35.5° 24.6° 30.0° 8.13" —
February 40.1° 25.4° 32.8° 5.84" —
March 46.0° 28.7° 37.3° 4.94" —
April 52.5° 32.5° 42.5° 3.42" —
May 61.0° 39.0° 50.0° 2.21" —
June 66.9° 45.1° 56.0° 1.77" —
July 75.5° 50.5° 63.0° 0.71" —
August 76.1° 49.8° 63.0° 0.87" —
September 69.0° 43.3° 56.2° 1.88" —
October 56.0° 35.2° 45.6° 4.93" —
November 42.5° 29.4° 35.9° 7.77" —
December 35.2° 25.0° 30.1° 7.37" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Roslyn city City 8.0 mi —
Ronald CDP CDP 8.9 mi —
Easton CDP CDP 10.4 mi —
Cle Elum city City 12.3 mi —
South Cle Elum town Town 12.8 mi —
Snoqualmie Pass CDP CDP 17.6 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 98940. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.