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ZIP Code 99138, Washington

ZIP Code 99138 profile, demographic data, and geographic information.

ZCTA5 99138 is a 5-digit ZIP Code area located in Ferry County, Washington. As of official census estimates, it has a reported population of 1,223. The land area covers 566.57 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,223 ±123 2020-2024 / Census ACS 5-Year 2024
Median Age 44.6 yrs ±2.9 2020-2024 / Census ACS 5-Year 2024
Total Households 468 ±60 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 670 ±65
Occupied Housing Units 468 ±60
Vacant Housing Units 202 ±31
Median Home Value $218,100 ±$26,456
Median Gross Rent $535 ±$191
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $50,833 ±$16,363
Per Capita Income $26,817 ±$3,386
Poverty Rate 23.7% ±5.9%
Population Below Poverty Level 287 ±77
Unemployment Rate 23.1% ±9.4%
Civilian Labor Force, Employed 386 ±72
Broadband Internet Rate 75.2% ±6.3%
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: 7,543 (2024)
ID: 136094
County Official County Government
Contact: CHAIRMAN
290 E TESSIE AVE, REPUBLIC WA 99166-8724

Education

Listing 7 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Alternative School Nearby 09-12 Hunters, WA
Regular School Nearby PK-12 Hunters, WA
Regular School Nearby KG-06 Gifford, WA
Regular School Nearby KG-05 Inchelium, WA
Regular School Nearby 09-12 Inchelium, WA
Regular School Nearby 06-08 Inchelium, WA
Regular School Nearby KG-06 KELLER, WA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 1 civic institution across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
HUNTERS PUBLIC LIBRARY
Library 11.8 mi away 5014 COLUMBIA RIVER RD., BLDG. #11, HUNTERS, WA, 99129
(509) 722-3877
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 CHEWELAH, WA US, located 30.0 miles from ZCTA5 99138. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 32.9° 20.3° 26.6° 2.22" —
February 39.8° 21.3° 30.5° 1.85" —
March 50.1° 26.8° 38.5° 2.21" —
April 60.2° 32.8° 46.5° 1.86" —
May 70.0° 40.4° 55.2° 2.03" —
June 75.7° 45.5° 60.6° 2.05" —
July 86.1° 48.8° 67.5° 0.99" —
August 86.3° 46.6° 66.5° 0.72" —
September 76.0° 39.0° 57.5° 0.95" —
October 59.3° 30.7° 45.0° 1.78" —
November 42.1° 26.1° 34.1° 2.37" —
December 33.0° 20.6° 26.8° 2.33" —
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
Twin Lakes CDP CDP 2.6 mi —
Inchelium CDP CDP 11.3 mi —
Keller CDP CDP 18.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99138. • 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.