Wahkiakum County, Washington

Wahkiakum County population, land area and income

Wahkiakum County had 4,800 residents in the Census Vintage 2024 estimate, on 262.9 square miles of land. It ranks 37th of 39 in Washington by population and 37th by land area. That works out to 18.3 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Washington has 69,632 residents, so Wahkiakum County has 7% of the typical county's population.

Its SAIPE 2023 median household income of $69,726 is above the national county median among 3,143 counties with an estimate.

How Wahkiakum County's population changed since 2020

Wahkiakum County gained 352 residents between the July 2020 and July 2024 estimates, a rise of 7.9%. That ranks 2nd of 39 in Washington for growth. The median Washington county changed by +3.2%, and the state as a whole by +3.0%.

Since the April 2020 estimates base, Wahkiakum County recorded 130 births and 280 deaths, a natural change of -150. Net international migration added +1 and net domestic migration, people moving to or from other US counties, came to +533. The largest single component was domestic migration, which added 533 people.

Where Wahkiakum County is

The Census internal point of Wahkiakum County is at 46.294600, -123.424500. It sits in UTM zone 10N. The map shades Washington's 39 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Wahkiakum County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Wahkiakum County

No incorporated place of 1,000 or more people has residents in Wahkiakum County. Its 4,800 residents live in smaller towns, census-designated places, or unincorporated land, which the subcounty estimates do not list at this size.

Counties bordering Wahkiakum County

The Census 2024 county adjacency file lists 5 neighbors for Wahkiakum County, including 2 across a state line. The most populous is Cowlitz County, WA, with 113,982 residents. Distances run between Census internal points in a straight line.

• Cowlitz County

  113,982 people

  36 mi E

• Lewis County

  87,049 people

  54 mi ENE

• OR

  Columbia County, OR

  54,063 people

  29 mi SE

• OR

  Clatsop County, OR

  41,043 people

  23 mi SW

• Pacific County

  24,245 people

  25 mi NW

Distance to Olympia and the nearest big city

Olympia is 56.9 miles NNE of Wahkiakum County's internal point in a straight line. The nearest place of 100,000 or more is Hillsboro, OR (population 110,337), 58.0 miles away. The nearest place of 10,000 or more is Longview, WA (population 38,294), 24.3 miles away.

Wahkiakum County FIPS code

The FIPS code of Wahkiakum County is 53069: state code 53 for Washington plus county code 069. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $69,726.