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ZIP Code 99130, Washington

ZIP Code 99130 profile, demographic data, and geographic information.

ZCTA5 99130 is a 5-digit ZIP Code area located in Whitman County, Washington. As of official census estimates, it has a reported population of 693. The land area covers 80.99 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 693 ±145 2020-2024 / Census ACS 5-Year 2024
Median Age 36.9 yrs ±3.2 2020-2024 / Census ACS 5-Year 2024
Total Households 258 ±49 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 288 ±49
Occupied Housing Units 258 ±49
Vacant Housing Units 30 ±24
Median Home Value $232,100 ±$38,393
Median Gross Rent $906 ±$182
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $82,000 ±$21,037
Per Capita Income $37,059 ±$7,863
Poverty Rate 13.5% ±7.6%
Population Below Poverty Level 92 ±55
Unemployment Rate 2.9% ±2.5%
Civilian Labor Force, Employed 268 ±58
Broadband Internet Rate 80.6% ±9.1%
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: 48,399 (2024)
ID: 176807
County Official County Government
Contact: CLERK OF THE BOARD
400 N MAIN ST, COLFAX WA 99111-2071

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-08 Desmet, ID
Regular School Nearby 07-12 Colfax, WA
Regular School Nearby PK-05 Garfield, WA
Regular School Nearby 06-08 Garfield, WA
Regular School Nearby 09-12 Palouse, WA
Regular School Nearby KG-06 Colfax, WA
Regular School Nearby PK-05 Oakesdale, WA
Regular School Nearby 06-12 Oakesdale, WA
Regular School Nearby PK-06 POTLATCH, ID
Regular School Nearby 07-12 POTLATCH, ID
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Washington State University - Global Campus
College 18.5 mi away Van Doran Hall, Pullman, WA, 99164-5220 —
GARFIELD BRANCH LIBRARY
Library 2.2 mi away 109 N. THIRD, GARFIELD, WA, 99130
(509) 635-1490
Washington State University
College 18.6 mi away French Administration Building, Pullman, WA, 99164-5910
5093353564
PALOUSE BRANCH LIBRARY
Library 8.1 mi away 120 E MAIN, PALOUSE, WA, 99161
(509) 878-1513
New Saint Andrews College
College 20.4 mi away 405 S. Main Street, Moscow, ID, 83843-1525
2088821566101
FARMINGTON LIBRARY
Library 9.1 mi away 203 MAIN STREET, FARMINGTON, WA, 99128
(509) 287-3302
University of Idaho
College 20.5 mi away 875 Perimeter Drive MS 2282, Moscow, ID, 83844-2282
8888843246
OAKESDALE BRANCH LIBRARY
Library 9.3 mi away E 102 STEPTOE, OAKESDALE, WA, 99158
(509) 285-4310
COLFAX LIBRARY
Library 11.8 mi away 102 S. MAIN, COLFAX, WA, 99111
(509) 397-4366
LATAH COUNTY DISTRICT - POTLATCH
Library 14.2 mi away 1010 ONAWAY RD, POTLATCH, ID, 83855
(208) 875-1036
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 POTLATCH 3 NNE, ID US, located 15.8 miles from ZCTA5 99130. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 37.3° 25.5° 31.4° 2.76" 13.1"
February 41.0° 26.1° 33.6° 2.08" 7.6"
March 48.0° 29.8° 38.9° 2.80" 3.1"
April 55.9° 33.8° 44.9° 2.33" 1.3"
May 65.2° 39.9° 52.5° 2.48" 0.2"
June 70.6° 45.0° 57.8° 1.60" 0.0"
July 82.0° 48.9° 65.4° 0.84" 0.0"
August 83.7° 47.8° 65.8° 0.75" 0.0"
September 74.1° 41.6° 57.9° 0.95" 0.0"
October 59.0° 34.6° 46.8° 2.16" 0.2"
November 44.3° 29.9° 37.1° 2.85" 5.2"
December 36.2° 25.0° 30.6° 2.90" 10.6"
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
Garfield town Town 2.3 mi —
Steptoe CDP CDP 7.8 mi —
Palouse city City 8.0 mi —
Farmington town Town 9.0 mi —
Colfax city City 9.1 mi —
Oakesdale town Town 9.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99130. • 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.