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ZIP Code 99174, Washington

ZIP Code 99174 profile, demographic data, and geographic information.

ZCTA5 99174 is a 5-digit ZIP Code area located in Whitman County, Washington. As of official census estimates, it has a reported population of 69. The land area covers 0.03 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 69 ±53 2020-2024 / Census ACS 5-Year 2024
Median Age 40.1 yrs ±26 2020-2024 / Census ACS 5-Year 2024
Total Households 25 ±15 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 37 ±15
Occupied Housing Units 25 ±15
Vacant Housing Units 12 ±10
Median Home Value $254,500 ±$100,847
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 $50,179 ±$21,938
Per Capita Income $20,019 ±$14,241
Poverty Rate 4.3% ±4.7%
Population Below Poverty Level 3 ±4
Unemployment Rate 0% ±65%
Civilian Labor Force, Employed 20 ±13
Broadband Internet Rate 92% ±23.5%
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 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-05 Palouse, WA
Regular School Nearby 09-12 Palouse, WA
Regular School Nearby 06-08 Palouse, 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
Washington State University - Global Campus
College 21.1 mi away Van Doran Hall, Pullman, WA, 99164-5220 —
COLFAX LIBRARY
Library 8.8 mi away 102 S. MAIN, COLFAX, WA, 99111
(509) 397-4366
Washington State University
College 21.3 mi away French Administration Building, Pullman, WA, 99164-5910
5093353564
OAKESDALE BRANCH LIBRARY
Library 10.0 mi away E 102 STEPTOE, OAKESDALE, WA, 99158
(509) 285-4310
GARFIELD BRANCH LIBRARY
Library 10.2 mi away 109 N. THIRD, GARFIELD, WA, 99130
(509) 635-1490
ST. JOHN BRANCH LIBRARY
Library 12.1 mi away 1 EAST FRONT STREET, ST. JOHN, WA, 99171
(509) 648-3319
PALOUSE BRANCH LIBRARY
Library 14.9 mi away 120 E MAIN, PALOUSE, WA, 99161
(509) 878-1513
ALBION BRANCH LIBRARY
Library 15.6 mi away 310 F STREET, ALBION, WA, 99102
(509) 332-5095
FARMINGTON LIBRARY
Library 15.7 mi away 203 MAIN STREET, FARMINGTON, WA, 99128
(509) 287-3302
ROSALIA BRANCH LIBRARY
Library 15.9 mi away 402 S. WHITMAN AVE., ROSALIA, WA, 99170
(509) 523-3109
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 12.4 miles from ZCTA5 99174. 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
Steptoe CDP CDP 0.3 mi —
Colfax city City 6.8 mi —
Oakesdale town Town 10.0 mi —
Garfield town Town 10.2 mi —
St. John town Town 12.4 mi —
Palouse city City 14.9 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99174. • 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.