Columbia County

Columbia County has 4,014 residents across 1 ZIP code with their own report. Median household income is $71,810, 27% below the Washington figure. The typical owner-occupied home is valued at $271,200, and 25% of adults 25 and over hold a bachelor’s degree or higher.

County · ACS 2020–2024 · Updated October 24, 2026

4,014residentsACS 2020–2024

$71,810median household incomeWashington: $98K

$271,200median home valueowner-occupied homes

82%of households have broadbandhome internet subscription

Columbia County in WashingtonZIP codes in Columbia County highlighted; the rest of Washington in grey

Map of Washington with Columbia County highlighted

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files

Its ZIP code.

Colour shows where each zip code sits among the others in the table, from lowest to highest.

ZIP code	Residents	Household income	Home value	Owners	Bachelor's+	Broadband	Commute
99328	3,646	$73K	$272K	77%	24%	81%	24 min

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

People.

4,014 residents in 1,862 households, next to the Washington figure.

18%

under 18

15%

aged 18–34

29%

aged 65 and over

30%

of households are people living alone

46%

of households are married couples

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Homes.

2,217 housing units; the median owner-occupied home is valued at $271,200 (±$29,295).

78%

of households own their home

82%

of homes are detached single-family houses

are in buildings with 5 or more units

12%

are mobile homes

16%

of housing units are vacant

$985

median gross rent a month

When homes were built

2020 or later1%

2010–20196%

2000–200911%

1990–19995%

1980–19896%

1970–19799%

1960–19697%

1950–195910%

1940–194913%

1939 or earlier34%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Income and work.

Household income and work, in 2024 dollars; median household income ±$5,338.

$71,810

median household income

9.3%

of people live below the poverty line

3.9%

unemployment rate

25%

of adults 25+ hold a bachelor’s degree or higher

The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Getting around.

How workers aged 16 and over get to work, and how long it takes.

26 min

average commute to work

22%

of commuters travel 45 minutes or more

79%

of workers drive or carpool

take public transportation

walk or bike

12%

work from home

of households have no car

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Internet.

Home internet subscriptions.

82%

of households have a broadband subscription

11%

have no internet access at home

American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates