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ZIP Code 99333, Washington

ZIP Code 99333 profile, demographic data, and geographic information.

ZCTA5 99333 is a 5-digit ZIP Code area located in Adams County / Whitman County, Washington. As of official census estimates, it has a reported population of 151. The land area covers 86.45 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 151 ±77 2020-2024 / Census ACS 5-Year 2024
Median Age 28.9 yrs ±46.9 2020-2024 / Census ACS 5-Year 2024
Total Households 45 ±23 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 45 ±23
Occupied Housing Units 45 ±23
Vacant Housing Units 0 ±13
Median Home Value $450,000 ±$302,645
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 $98,315 ±$21,383
Per Capita Income $38,560 ±$12,256
Poverty Rate 0% ±8.6%
Population Below Poverty Level 0 ±13
Unemployment Rate 9% ±10.2%
Civilian Labor Force, Employed 81 ±46
Broadband Internet Rate 100% ±0%
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: 21,039 (2024)
ID: 194179
County Official County Government
Contact: ADAMS COUNTY AUDITOR
210 W BROADWAY AVE, STE 200, RITZVILLE WA 99169-1860

Education

Listing 6 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-06 BENGE, WA
Regular School Nearby KG-08 LaCrosse, WA
Regular School Nearby 09-12 LaCrosse, WA
Regular School Nearby KG-08 STARBUCK, WA
Alternative School Nearby KG-12 Starbuck, WA
Regular School Nearby PK-12 Washtucna, WA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 2 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
LACROSSE BRANCH LIBRARY
Library 14.8 mi away 107 S MAIN, LACROSSE, WA, 99143
(509) 635-1490
KAHLOTUS BRANCH LIBRARY
Library 20.1 mi away 225 E WESTON ST, KAHLOTUS, WA, 99335
(509) 282-3493
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 LACROSSE, WA US, located 14.7 miles from ZCTA5 99333. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 38.8° 25.8° 32.3° 1.96" 4.1"
February 44.8° 26.9° 35.8° 1.34" 2.2"
March 53.7° 30.8° 42.3° 1.66" 0.8"
April 61.9° 35.5° 48.7° 1.30" 0.1"
May 71.5° 41.9° 56.7° 1.26" 0.0"
June 79.4° 47.7° 63.6° 0.96" 0.0"
July 90.0° 52.5° 71.3° 0.31" 0.0"
August 88.8° 51.8° 70.3° 0.32" 0.0"
September 78.5° 44.0° 61.2° 0.50" 0.0"
October 62.7° 35.8° 49.3° 1.12" 0.0"
November 47.3° 29.8° 38.6° 1.96" 1.8"
December 37.9° 24.5° 31.2° 2.37" 8.1"
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
Washtucna town Town 9.0 mi —
Starbuck town Town 12.1 mi —
LaCrosse town Town 12.5 mi —
Kahlotus city City 20.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99333. • 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.