Columbia County, Washington

Total Population: 3,996

County Seat: Dayton

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Median Home Value

$256,100

Owner-occupied units

Median Household Income

$71,528

Across all households

Median Age

52.1 yrs

Across all residents

Bachelor's Degree+

27.2%

Adults 25 and older

Nearby Counties

Demographics

14 fields

Racial & Ethnic Composition

White (Non-Hispanic)81.5%
Two or More Races9.0%
Hispanic or Latino8.2%
Black (Non-Hispanic)0.7%
Am. Indian / Alaska Native0.4%
Other Race0.2%

Under 18 Years

16.9%

65 Years and Over

29.7%

Male

50.3%

Female

49.7%

U.S. Citizens (18+)

96.8%

No Health Insurance

8.8%

Education

3 fields

High School Graduate or Higher (25+)

88.9%

Bachelor's Degree or Higher (25+)

27.2%

Enrolled in College (18+)

4.2%

Economics

6 fields

Median Household Income

$71,528

Mean Household Income

$89,990

Per Capita Income

$42,143

Unemployment Rate (16+)

3.4%

In Labor Force (19–64)

78.2%

SNAP / Food Stamps

15.0%

Housing & Households

13 fields

Median Home Value

$256,100

Median Rent

$944/mo

Total Housing Units

2,218

Owner-Occupied

77.9%

Renter-Occupied

22.1%

Vacancy Rate

14.7%

Married Couple Households

49.6%

Cohabiting Couple Households

Male Householder, No Partner

19.8%

Female Householder, No Partner

23.1%

Average Household Size

2.07

Broadband Internet Access

74.8%

Housing Built Since 2010

6.7%

Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. County FIPS 53013.