Wahkiakum County, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 37th-largest in Washington
The population of Wahkiakum County, Washington is 4,573 as of the 2023 American Community Survey, making it the 37th-largest county in Washington. The median household income is $57,091, the median home value is $344,500, and the median age is 54.8.
The population of Wahkiakum County has grown 20.5% since 2010 (3,983 → 4,800), a +1.34% annualized rate.
4,573
Population
+1.34%
Annual growth
17
People / sq mi
$57,091
Median Income
$344,500
Median Home Value
Wahkiakum County covers 263 sq mi of land at 17.4 people per square mile.
About Wahkiakum County, WA
Wahkiakum County is a county in Washington with a population of 4,573. It ranks #37 among counties in Washington by population. The median age is 54.8, older than the national median. The population is 50.6% male and 49.4% female.
The median household income in Wahkiakum County is $57,091, below the US median of $74,580. 13.2% of residents live below the federal poverty level. Home values sit at a median of $344,500, with monthly rent averaging $1,086. The homeownership rate of 84.8% is higher than the national rate of 64.8%.
Educational attainment in Wahkiakum County reflects 22.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 11.7% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 42.3 minutes each way.
Wahkiakum County Population History (2010-2024)
The county of Wahkiakum County had a population of 3,983 in 2010 and 4,800 in 2024, a 20.5% growth over 14 years. The peak was 4,800 in 2024. Average annual growth rate: 1.35%.
4,800
Population (2024)
3,983
Population (2010)
4,800
Peak (2024)
1.35%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 3,983 |
| 2011 | 3,992 |
| 2012 | 3,996 |
| 2013 | 4,002 |
| 2014 | 4,008 |
| 2015 | 3,989 |
| 2016 | 4,123 |
| 2017 | 4,207 |
| 2018 | 4,343 |
| 2019 | 4,420 |
| 2020 | 4,448 |
| 2021 | 4,586 |
| 2022 | 4,691 |
| 2023 | 4,767 |
| 2024 | 4,800 |
Race & Ethnicity
| White | 86.1% |
| Black or African American | 1.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.7% |
| Two or More Races | 0.1% |
Age & Sex
54.8
Median Age
49.4%
Female
50.6%
Male
32.3%
Age 65+
Age Distribution
Children (under 15): 15.2% · Seniors (65+): 32.3%
Income & Poverty
| Median household income | $57,091$-37,861 vs state |
| Mean household income | $75,908 |
| Per-capita income | $32,879 |
| Poverty rate | 13.2%+6.8% vs state |
| Unemployment rate | 1.1% |
| Employment-to-population | 40.8% |
Top Industries by Employment
The largest employment sector in Wahkiakum County is professional & business services, accounting for 19.0% of workers.
How residents commute
0.7%
Drive alone
5.2%
Carpool
67.2%
Public transit
11.7%
Work from home
42.3 min
Avg commute
Housing
$344,500$-175,300 vs state
Median home value
$1,086
Median rent
84.8%
Homeownership rate
2,207
Total housing units
91.8%
Occupied
8.2%
Vacant
15.2%
Renter-occupied
Social & access
95.2%
With health insurance
96.5%
With broadband internet
55.2%
Foreign-born
15.8%
Veterans (18+)
19.0%
With a disability
95.0%
Speak language other than English at home
Education
92.8%
High School+
22.3%
Bachelor's+
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Frequently Asked Questions
Wahkiakum County, Washington has a population of 4,573 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 37th-largest county in Washington. Population density is 17 people per square mile.
The population of Wahkiakum County has grown 20.5% since 2010 (3,983 → 4,800), a +1.34% annualized rate.
The median household income in Wahkiakum County, Washington is $57,091, with mean (average) household income of $75,908 and per-capita income of $32,879. 13.2% of residents live below the federal poverty level.
In Wahkiakum County, the largest racial and ethnic groups are White (86.1%), Hispanic or Latino (4.7%), Black or African American (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Wahkiakum County, Washington is 54.8 years. Residents are 49.4% female and 50.6% male.
The median home value in Wahkiakum County is $344,500 and median monthly rent is $1,086. 84.8% of occupied housing units are owner-occupied. The county has 2,207 total housing units, 8.2% of which are vacant.
The largest employment sector in Wahkiakum County, Washington is professional, scientific, and management services, employing 19.0% of workers. The unemployment rate is 1.1%.
Seattle is among the largest cities associated with Wahkiakum County, Washington, with a population of 741,440.
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Statewide data for Washington
Population, race, income, age, and trends across Washington
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.