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ZIP Code 99149, Washington

ZIP Code 99149 profile, demographic data, and geographic information.

ZCTA5 99149 is a 5-digit ZIP Code area located in Whitman County, Washington. As of official census estimates, it has a reported population of 100. The land area covers 1.92 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 100 ±42 2020-2024 / Census ACS 5-Year 2024
Median Age 57.5 yrs ±15.4 2020-2024 / Census ACS 5-Year 2024
Total Households 47 ±20 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 48 ±20
Occupied Housing Units 47 ±20
Vacant Housing Units 1 ±2
Median Home Value $49,500 ±$40,664
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 $26,250 ±$25,151
Per Capita Income $18,424 ±$6,532
Poverty Rate 24% ±16.1%
Population Below Poverty Level 24 ±19
Unemployment Rate 28.6% ±35.7%
Civilian Labor Force, Employed 25 ±18
Broadband Internet Rate 74.5% ±3.8%
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 9 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 09-12 SPANGLE, WA
Regular School Nearby PK-08 SPANGLE, WA
Regular School Nearby PK-05 Oakesdale, WA
Regular School Nearby 06-12 Oakesdale, WA
Regular School Nearby PK-12 Rosalia, WA
Regular School Nearby PK-05 Saint John, WA
Regular School Nearby 09-12 Saint John, WA
5 Nearby 14-17 SPANGLE, WA
5 Nearby 6-13 SPANGLE, WA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Eastern Washington University
College 19.1 mi away 526 5th Street, Cheney, WA, 99004-2496
5093596200
MALDEN BRANCH LIBRARY
Library 0.7 mi away 205 SW MORELAND, MALDEN, WA, 99149
(509) 569-3609
ROSALIA BRANCH LIBRARY
Library 4.7 mi away 402 S. WHITMAN AVE., ROSALIA, WA, 99170
(509) 523-3109
ST. JOHN BRANCH LIBRARY
Library 10.6 mi away 1 EAST FRONT STREET, ST. JOHN, WA, 99171
(509) 648-3319
OAKESDALE BRANCH LIBRARY
Library 12.5 mi away E 102 STEPTOE, OAKESDALE, WA, 99158
(509) 285-4310
FAIRFIELD LIBRARY
Library 17.8 mi away 305 E MAIN, FAIRFIELD, WA, 99012
(509) 893-8320
TEKOA BRANCH LIBRARY
Library 18.5 mi away S. 139 CROSBY, TEKOA, WA, 99033
(509) 284-3121
CHENEY LIBRARY
Library 18.9 mi away 610 FIRST STREET, CHENEY, WA, 99004
(509) 893-8280
GARFIELD BRANCH LIBRARY
Library 21.5 mi away 109 N. THIRD, GARFIELD, WA, 99130
(509) 635-1490
FARMINGTON LIBRARY
Library 21.9 mi away 203 MAIN STREET, FARMINGTON, WA, 99128
(509) 287-3302
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 ROSALIA, WA US, located 4.9 miles from ZCTA5 99149. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 36.7° 24.5° 30.6° 2.03" 6.4"
February 41.5° 26.3° 33.9° 1.72" 3.2"
March 49.6° 30.6° 40.1° 1.90" 1.6"
April 58.0° 34.8° 46.4° 1.55" 0.2"
May 67.2° 41.9° 54.6° 1.66" 0.0"
June 73.4° 46.9° 60.2° 1.33" 0.0"
July 85.0° 51.4° 68.2° 0.52" 0.0"
August 85.7° 50.9° 68.3° 0.42" 0.0"
September 75.7° 43.9° 59.8° 0.62" 0.0"
October 60.6° 35.2° 47.9° 1.53" 0.1"
November 45.1° 29.3° 37.2° 2.46" 3.9"
December 36.1° 24.4° 30.3° 2.66" 10.8"
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
Malden town Town 0.4 mi —
Rosalia town Town 4.4 mi —
St. John town Town 10.8 mi —
Oakesdale town Town 12.3 mi —
Waverly town Town 13.6 mi —
Spangle city City 14.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99149. • 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.