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Wahkiakum County, Washington

Wahkiakum County profile, demographic data, and geographic information.

Wahkiakum County is a county located in Washington, United States of America. As of official census estimates, it has a reported population of 4,873. The land area covers 262.93 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Wahkiakum County
Official Title: Commissioner
Address: PO BOX 586, CATHLAMET WA 98612-0586

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 4,873 — 2025 / Census
Median Age 54.5 yrs ±3.4 2020-2024 / Census ACS 5-Year 2024
Total Households 2,100 ±114 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 2,250 ±100
Occupied Housing Units 2,100 ±114
Vacant Housing Units 150 ±73
Median Home Value $396,800 ±$42,131
Median Gross Rent $853 ±$318
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $62,653 ±$10,138
Per Capita Income $35,882 ±$4,513
Poverty Rate 17.8% ±5.4%
Population Below Poverty Level 826 ±248
Unemployment Rate 3.5% ±2.5%
Civilian Labor Force, Employed 1,583 ±204
Broadband Internet Rate 85.1% ±5.6%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at GRAYS RVR HATCHERY, WA US, located 9.1 miles from Wahkiakum County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 49.8° 33.7° 41.8° 16.73" 1.5"
February 54.0° 33.1° 43.5° 10.06" 0.3"
March 56.0° 34.8° 45.4° 11.63" 0.1"
April 60.7° 37.6° 49.2° 8.13" 0.0"
May 66.8° 42.8° 54.8° 4.36" 0.0"
June 70.3° 46.4° 58.4° 3.44" 0.0"
July 76.8° 49.8° 63.3° 1.17" 0.0"
August 77.3° 49.6° 63.4° 1.90" 0.0"
September 74.3° 45.8° 60.0° 4.40" 0.0"
October 64.3° 40.5° 52.4° 10.22" 0.0"
November 54.7° 36.2° 45.4° 15.24" 0.0"
December 49.1° 34.0° 41.6° 16.27" 0.2"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 53069. • 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.