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ZIP Code 99359, Washington

ZIP Code 99359 profile, demographic data, and geographic information.

ZCTA5 99359 is a 5-digit ZIP Code area located in Columbia County, Washington. As of official census estimates, it has a reported population of 94. The land area covers 42.37 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 94 ±43 2020-2024 / Census ACS 5-Year 2024
Median Age 59.9 yrs ±4.2 2020-2024 / Census ACS 5-Year 2024
Total Households 68 ±35 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 82 ±37
Occupied Housing Units 68 ±35
Vacant Housing Units 14 ±13
Median Home Value $135,400 ±$77,862
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 $61,000 ±$34,150
Per Capita Income $35,264 ±$8,816
Poverty Rate 24.5% ±20.6%
Population Below Poverty Level 23 ±22
Unemployment Rate 4.8% ±6.6%
Civilian Labor Force, Employed 40 ±25
Broadband Internet Rate 80.9% ±18.6%
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: 4,025 (2024)
ID: 114606
County Official County Government
Contact: CHAIRMAN
114 S 2ND ST, DAYTON WA 99328-1341

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Dayton, WA
Regular School Nearby 09-12 Dayton, WA
Regular School Nearby 06-08 Dayton, WA
Alternative School Nearby 09-12 Dayton, WA
Regular School Nearby KG-05 PRESCOTT, WA
Regular School Nearby 09-12 PRESCOTT, WA
Regular School Nearby 06-08 Prescott, WA
Special Education School Nearby PK PRESCOTT, WA
Regular School Nearby KG-08 STARBUCK, WA
Alternative School Nearby KG-12 Starbuck, 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
DAYTON MEMORIAL LIBRARY
Library 16.0 mi away 111 S 3RD ST., DAYTON, WA, 99328
(509) 382-4131
PRESCOTT LIBRARY
Library 16.5 mi away 103 D ST., PRESCOTT, WA, 99348
(509) 527-3284
WELLER PUBLIC LIBRARY
Library 16.8 mi away 212 MAIN STREET, WAITSBURG, WA, 99361
(509) 337-8149
KAHLOTUS BRANCH LIBRARY
Library 20.7 mi away 225 E WESTON ST, KAHLOTUS, WA, 99335
(509) 282-3493
LACROSSE BRANCH LIBRARY
Library 24.8 mi away 107 S MAIN, LACROSSE, WA, 99143
(509) 635-1490
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 DAYTON 1 WSW, WA US, located 15.6 miles from ZCTA5 99359. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 41.5° 26.4° 34.0° 2.08" 6.3"
February 46.2° 28.2° 37.2° 1.72" 1.9"
March 53.9° 33.0° 43.4° 2.24" 1.0"
April 61.1° 37.8° 49.4° 1.86" 0.1"
May 69.9° 44.5° 57.2° 1.80" 0.0"
June 76.8° 49.9° 63.4° 1.24" 0.0"
July 87.6° 54.9° 71.3° 0.39" 0.0"
August 86.7° 54.2° 70.5° 0.45" 0.0"
September 77.2° 47.2° 62.2° 0.73" 0.0"
October 62.9° 38.0° 50.4° 1.54" 0.1"
November 49.3° 31.0° 40.2° 2.43" 1.2"
December 40.7° 26.5° 33.6° 2.31" 5.2"
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
Starbuck town Town 1.7 mi —
Dayton city City 16.2 mi —
Prescott city City 16.4 mi —
Waitsburg city City 16.8 mi —
Washtucna town Town 18.1 mi —
Kahlotus city City 20.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99359. • 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.