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ZIP Code 99125, Washington

ZIP Code 99125 profile, demographic data, and geographic information.

ZCTA5 99125 is a 5-digit ZIP Code area located in Whitman County, Washington. As of official census estimates, it has a reported population of 611. The land area covers 193.38 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 611 ±125 2020-2024 / Census ACS 5-Year 2024
Median Age 41.5 yrs ±6.2 2020-2024 / Census ACS 5-Year 2024
Total Households 245 ±53 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 318 ±58
Occupied Housing Units 245 ±53
Vacant Housing Units 73 ±30
Median Home Value $195,800 ±$65,831
Median Gross Rent $878 ±$514
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $52,569 ±$10,962
Per Capita Income $29,353 ±$9,949
Poverty Rate 7% ±7.6%
Population Below Poverty Level 43 ±47
Unemployment Rate 5.9% ±6.6%
Civilian Labor Force, Employed 238 ±55
Broadband Internet Rate 81.2% ±24.8%
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 5 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-08 Endicott, WA
Regular School Nearby KG-08 LaCrosse, WA
Regular School Nearby 09-12 LaCrosse, WA
Regular School Nearby PK-05 Saint John, WA
Regular School Nearby 09-12 Saint John, WA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 5 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
ENDICOTT BRANCH LIBRARY
Library 4.1 mi away 324 E STREET, ENDICOTT, WA, 99125
(509) 657-3429
ST. JOHN BRANCH LIBRARY
Library 11.9 mi away 1 EAST FRONT STREET, ST. JOHN, WA, 99171
(509) 648-3319
LACROSSE BRANCH LIBRARY
Library 12.0 mi away 107 S MAIN, LACROSSE, WA, 99143
(509) 635-1490
COLFAX LIBRARY
Library 19.2 mi away 102 S. MAIN, COLFAX, WA, 99111
(509) 397-4366
MALDEN BRANCH LIBRARY
Library 22.2 mi away 205 SW MORELAND, MALDEN, WA, 99149
(509) 569-3609
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 ST JOHN, WA US, located 11.8 miles from ZCTA5 99125. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 36.6° 28.7° 32.6° 2.05" 8.8"
February 41.3° 30.1° 35.7° 1.52" 2.7"
March 49.4° 34.1° 41.8° 1.90" 1.4"
April 57.2° 38.2° 47.7° 1.54" 0.4"
May 66.4° 44.8° 55.6° 1.56" 0.0"
June 73.1° 49.7° 61.4° 1.12" 0.0"
July 83.6° 54.4° 69.0° 0.43" 0.0"
August 83.5° 53.3° 68.4° 0.34" 0.0"
September 73.9° 46.7° 60.3° 0.56" 0.0"
October 59.0° 38.6° 48.8° 1.50" 0.1"
November 44.0° 33.0° 38.5° 2.15" 2.5"
December 35.1° 27.9° 31.5° 2.38" 10.7"
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
Endicott town Town 4.0 mi —
St. John town Town 11.7 mi —
LaCrosse town Town 14.1 mi —
Lamont town Town 17.8 mi —
Steptoe CDP CDP 19.2 mi —
Colfax city City 20.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99125. • 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.