As of the
2020 census, Wahkiakum County has one of the lowest population of any county in Washington state. Its population of 4,422 is 0.2% the size of the population of Washington's largest county, King. The county has the second highest
divorce rate of any Washington county, behind
Lincoln County.
2020 census As of the
2020 census, the county had a population of 4,422. Of the residents, 17.3% were under the age of 18 and 31.7% were 65 years of age or older; the median age was 53.4 years. For every 100 females there were 98.7 males, and for every 100 females age 18 and over there were 97.9 males. 0.0% of residents lived in urban areas and 100.0% lived in rural areas. The racial makeup of the county was 87.8% White, 0.5%
Black or African American, 1.4%
American Indian and Alaska Native, 1.0%
Asian, 0.1%
Native Hawaiian and
Pacific Islander, 1.2% from some other race, and 8.0% from
two or more races.
Hispanic or Latino residents of any race comprised 4.1% of the population. The population density was . There were 2,067 housing units at an average density of . The racial makeup of the county was 94.0% white, 1.3% American Indian, 0.6% Asian, 0.3% black or African American, 0.2% Pacific islander, 0.7% from other races, and 3.1% from two or more races. Those of Hispanic or Latino origin made up 2.7% of the population. Of the 1,737 households, 21.9% had children under the age of 18 living with them, 57.2% were married couples living together, 6.2% had a female householder with no husband present, 31.7% were non-families, and 26.8% of all households were made up of individuals. The average household size was 2.26 and the average family size was 2.69. The median age was 52.3 years.
2000 census As of the
2000 census, there were 3,824 people, 1,553 households, and 1,108 families living in the county. The
population density was . There were 1,792 housing units at an average density of . The racial makeup of the county was 93.46%
White, 0.26%
Black or
African American, 1.57%
Native American, 0.47%
Asian, 0.08%
Pacific Islander, 1.65% from
other races, and 2.51% from two or more races. 2.56% of the population were
Hispanic or
Latino of any race. 18.7% were of
German, 13.1%
Norwegian, 10.6%
United States or American, 9.1%
English, 7.7%
Irish, 6.5%
Swedish, and 5.9%
Finnish ancestry. 96.7% spoke
English and 2.5%
Spanish as a first language. There were 1,553 households, out of which 26.90% had children under the age of 18 living with them, 61.40% were
married couples living together, 6.30% had a female householder with no husband present, and 28.60% were non-families. 24.40% of all households were made up of individuals, and 10.60% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.83. In the county, the population was spread out, with 23.40% under the age of 18, 5.30% from 18 to 24, 22.20% from 25 to 44, 30.60% from 45 to 64, and 18.50% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 100.10 males. For every 100 females age 18 and over, there were 98.10 males. The median income for a household in the county was $39,444, and the
median income for a family was $47,604. Males had a median income of $37,123 versus $27,938 for females. The
per capita income for the county was $19,063. About 5.90% of families and 8.10% of the population were below the
poverty line, including 11.00% of those under age 18 and 2.70% of those age 65 or over. ==Politics==