Columbia County, WA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
3,996
Male
2,009
50.3%
Female
1,987
49.7%
Median Age
52.1 yrs
Avg Household Size
2.1
Foreign Born
3.0%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher21.1%
High School or Higher38.5%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
9.3%
Disability
0.0%
Non-English Home
8.6%
Married
49.1%
Columbia County, WA has a population of 3,996 according to 2023 Census Bureau estimates. The median age is 52.1 years. The largest racial or ethnic group is White at 81.5% of the population. 21.1% of residents hold a bachelor's degree or higher. 3.0% of residents are foreign-born.