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ZIP Code 99109, Washington

ZIP Code 99109 profile, demographic data, and geographic information.

ZCTA5 99109 is a 5-digit ZIP Code area located in Stevens County, Washington. As of official census estimates, it has a reported population of 4,981. The land area covers 311.63 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 4,981 ±394 2020-2024 / Census ACS 5-Year 2024
Median Age 54.1 yrs ±6.7 2020-2024 / Census ACS 5-Year 2024
Total Households 2,285 ±198 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 2,653 ±211
Occupied Housing Units 2,285 ±198
Vacant Housing Units 368 ±136
Median Home Value $327,400 ±$39,028
Median Gross Rent $869 ±$166
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $62,391 ±$9,139
Per Capita Income $41,627 ±$6,053
Poverty Rate 11.3% ±3.8%
Population Below Poverty Level 561 ±195
Unemployment Rate 9.4% ±4.7%
Civilian Labor Force, Employed 1,749 ±296
Broadband Internet Rate 91.3% ±2.4%
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: 49,015 (2024)
ID: 136098
County Official County Government
Contact: CHAIRMAN
215 S OAK ST, RM 214, COLVILLE WA 99114-2862

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Alternative School Nearby 10-12 Chewelah, WA
Alternative School Nearby KG-08 Valley, WA
Regular School Nearby KG-06 Chewelah, WA
Regular School Nearby 07-12 Chewelah, WA
Regular School Nearby 09-12 Valley, WA
Alternative School Nearby KG-12 Chewelah, WA
Regular School Nearby PK-08 Addy, WA
Regular School Nearby PK Valley, WA
Regular School Nearby KG-08 Valley, WA
6 Nearby 2-17 COLVILLE, 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
CHEWELAH PUBLIC LIBRARY
Library 1.3 mi away 301 E. CLAY AVE, CHEWELAH, WA, 99109
(509) 935-6805
LOON LAKE LIBRARY
Library 16.2 mi away 4008 CEDAR ST., LOON LAKE, WA, 99148
(509) 233-3016
CALISPEL VALLEY LIBRARY
Library 18.8 mi away 107 1ST AVE, CUSICK, WA, 99119
(800) 366-3654
COLVILLE PUBLIC LIBRARY
Library 19.8 mi away 195 SOUTH OAK, COLVILLE, WA, 99114
(509) 684-6620
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 2.3 miles from ZCTA5 99109. 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
Chewelah city City 1.1 mi —
Addy CDP CDP 7.8 mi —
Valley CDP CDP 8.3 mi —
Loon Lake CDP CDP 15.7 mi —
Springdale town Town 16.4 mi —
Cusick town Town 18.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99109. • 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.