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The total population of Columbia County is estimated to be 3,980 with 1,962 males (49.30%) and 2,018 females (50.70%). There are 56 more females than males in Columbia County.
The median household income in Columbia County was $69,922 in 2021, which marked an a decrease of 82(0.12%) from $70,004 in 2020. This income is 93.72% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Columbia County sees its highest median household income among householders in the age group of 45 to 64 years old, at $94,039. Overall, the median household income for the county of Columbia County stands at $69,922.
In Columbia County, the median income for all workers aged 15 years and older, regardless of work hours, was $54,665 for males and $26,987 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $65,091 for males and $44,926 for females.
In Columbia County, there are just two different racial groups among households. Among these, Two or More Races households report a median household income of $109,087, while White households have a median household income of $67,374.
In 2022, the population of Columbia County was 4,026, a 0.27% increase year-by-year from 2021. Previously, in 2021, Columbia County's population was 4,015, an increase of 1.67% compared to a population of 3,949 in 2020.
The median age in Columbia County, WA is 50.4, as per 2021 ACS 5-Year Estimates. Of the total population, 16.65% were under the age of 15, 12.57% aged 15 to 29, 42.23% aged 30 to 64, 25.47% aged 65 to 84, and 3.07% were 85 years of age and older.
Racial distribution of Columbia County population: 84.83% are White, 1.46% are Black or African American, 0.23% are American Indian and Alaska Native, 0.05% are Asian, 3.83% are some other race and 9.60% are multiracial.