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ZIP Code 99349, Washington

ZIP Code 99349 profile, demographic data, and geographic information.

ZCTA5 99349 is a 5-digit ZIP Code area located in Grant County, Washington. As of official census estimates, it has a reported population of 8,143. The land area covers 267.38 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 8,143 ±935 2020-2024 / Census ACS 5-Year 2024
Median Age 29.4 yrs ±1.3 2020-2024 / Census ACS 5-Year 2024
Total Households 2,388 ±338 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 2,815 ±353
Occupied Housing Units 2,388 ±338
Vacant Housing Units 427 ±130
Median Home Value $427,800 ±$68,242
Median Gross Rent $1,243 ±$133
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $61,333 ±$17,952
Per Capita Income $30,597 ±$7,147
Poverty Rate 21.8% ±3.7%
Population Below Poverty Level 1,764 ±360
Unemployment Rate 7.6% ±4%
Civilian Labor Force, Employed 3,626 ±497
Broadband Internet Rate 93.9% ±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: 104,717 (2024)
ID: 136095
County Official County Government
Contact: CLERK OF THE BOARD, ADMINISTRATIVE A
PO BOX 37, EPHRATA WA 98823-0037

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Special Education School Nearby PK Mattawa, WA
Regular School Nearby KG Mattawa, WA
Regular School Nearby PK Mattawa, WA
Regular School Nearby 04-05 Mattawa, WA
Regular School Nearby PK-03 Royal City, WA
Regular School Nearby 09-12 Royal City, WA
Regular School Nearby 04-06 Royal City, WA
Regular School Nearby 07-08 Royal City, WA
Regular School Nearby 01-03 Mattawa, WA
Alternative School Nearby 06-12 Mattawa, 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
MATTAWA PUBLIC LIBRARY
Library 9.9 mi away 101 MANSON LANE, MATTAWA, WA, 99349
(509) 932-5507
ROYAL CITY PUBLIC LIBRARY
Library 12.2 mi away 356 CAMELIA ST NW, ROYAL CITY, WA, 99357
(509) 346-9281
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 PRIEST RAPIDS DAM, WA US, located 11.4 miles from ZCTA5 99349. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 40.6° 29.6° 35.1° 1.08" —
February 46.9° 32.1° 39.5° 0.62" —
March 56.9° 37.9° 47.4° 0.74" —
April 65.4° 44.8° 55.1° 0.55" —
May 75.2° 52.7° 64.0° 0.55" —
June 82.0° 59.6° 70.8° 0.54" —
July 91.6° 66.5° 79.0° 0.21" —
August 90.2° 65.9° 78.1° 0.08" —
September 80.4° 57.7° 69.0° 0.15" —
October 65.3° 46.4° 55.9° 0.65" —
November 49.9° 36.2° 43.0° 0.91" —
December 40.9° 29.9° 35.4° 1.40" —
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
Mattawa city City 9.8 mi —
Desert Aire CDP CDP 11.1 mi —
Schwana CDP CDP 12.3 mi —
Royal City city City 12.4 mi —
Beverly CDP CDP 13.0 mi —
Vantage CDP CDP 20.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99349. • 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.