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ZIP Code 99361, Washington

ZIP Code 99361 profile, demographic data, and geographic information.

ZCTA5 99361 is a 5-digit ZIP Code area located in Columbia County / Walla Walla County, Washington. As of official census estimates, it has a reported population of 1,992. The land area covers 223.21 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,992 ±365 2020-2024 / Census ACS 5-Year 2024
Median Age 40.9 yrs ±12.9 2020-2024 / Census ACS 5-Year 2024
Total Households 847 ±154 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 968 ±162
Occupied Housing Units 847 ±154
Vacant Housing Units 121 ±63
Median Home Value $295,900 ±$27,215
Median Gross Rent $1,164 ±$464
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $91,367 ±$9,923
Per Capita Income $38,939 ±$5,554
Poverty Rate 10.5% ±3.9%
Population Below Poverty Level 209 ±86
Unemployment Rate 2.8% ±3.3%
Civilian Labor Force, Employed 1,004 ±213
Broadband Internet Rate 86.4% ±6.8%
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: 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 KG-05 WALLA WALLA, WA
Regular School Nearby 09-12 College Place, WA
Alternative School Nearby 09-12 College Place, WA
Regular School Nearby PK-05 COLLEGE PLACE, WA
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 PK-05 DIXIE, WA
Regular School Nearby PK Walla Walla, 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
Walla Walla Community College
College 12.7 mi away 500 Tausick Way, Walla Walla, WA, 99362-9267
5095222500
WELLER PUBLIC LIBRARY
Library 2.4 mi away 212 MAIN STREET, WAITSBURG, WA, 99361
(509) 337-8149
Whitman College
College 14.6 mi away 345 Boyer Ave, Walla Walla, WA, 99362
5095275111
PRESCOTT LIBRARY
Library 9.3 mi away 103 D ST., PRESCOTT, WA, 99348
(509) 527-3284
Walla Walla University
College 17.6 mi away 204 S College Ave, College Place, WA, 99324-1198
5095272615
DAYTON MEMORIAL LIBRARY
Library 9.8 mi away 111 S 3RD ST., DAYTON, WA, 99328
(509) 382-4131
WALLA WALLA PUBLIC LIBRARY
Library 14.9 mi away 238 E. ALDER STREET, WALLA WALLA, WA, 99362
(509) 527-4550
BOOKMOBILE
Library 16.3 mi away 37 JADE ST., WALLA WALLA, WA, 99362
(509) 527-3284
COLLEGE PLACE LIBRARY
Library 18.1 mi away 1605 SE MEADOWBROOK BLVD., STE 7, COLLEGE PLACE, WA, 99324
(509) 527-3284
MILTON-FREEWATER PUBLIC LIBRARY
Library 24.3 mi away 8 SW 8TH AVE, MILTON-FREEWATER, OR, 97862
(541) 938-8247
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 8.7 miles from ZCTA5 99361. 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
Waitsburg city City 2.3 mi —
Dixie CDP CDP 6.7 mi —
Prescott city City 9.2 mi —
Dayton city City 9.7 mi —
Walla Walla city City 14.9 mi —
Walla Walla East CDP CDP 15.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99361. • 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.