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COUNTY · 1990 CENSUS

Columbia County

Washington · 4,024 residents · 868.585 sq mi
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The short version

Columbia County has notably lower household income than the US average, with a median household income of $22,418. Population has held roughly steady since 2000. Median home value is $37,600. With a median age of 38.8, the population is older than the US median of 33.0. Households here earn about 28% less than the Washington median.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 38.8
US median: 33.0
Less educated
15% hold a bachelor's degree
US average: 20%
More affordable
home values down 42%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

4,024
−1%vs 2000
vs 4,064 in 2000
1990 – 2025
5 / sq mi
−1%vs 2000
vs 5 / sq mi in 2000
US average: 221
38.8
−8%vs 2000
vs 42.4 in 2000
US average: 33.0
Population, 19902024
4K4K4K4K4K1990201020202024Columbia County
20244K
1990201020202024
Section 02

Income & economy

$22,418
−12%inflation adjusted, since 2000
vs $33,500 in 2000
US average: $30,130
1990 – 2024
$11,108
−36%vs 2000
vs $17,374 in 2000
US average: $14,340
19.4%
+6.7 ptsvs 2000
vs 12.6% in 2000
US average: 13.2%
Section 03

Housing

$37,600
−42%inflation adjusted, since 2000
vs $85,500 in 2000
US average: $93,722
1990 – 2024
$278
−22%inflation adjusted, since 2000
vs $467 in 2000
US average: $450
67.6%
−1.8 ptsvs 2000
vs 69.4% in 2000
32.4% rent
1.7
−34%vs 2000
vs 2.6 in 2000
1990 – 2024
RELATED:See current rent listings in Columbia County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic90.7%(3,685)
Black0.2%(9)
Hispanic / Latino6.3%(258)
Asian0.4%(16)
Other0%
Diversity Score16.7%(677)
1990
White, non-Hispanic96.3%(3,874)
Black0%(0)
Hispanic / Latino11.9%(479)
Asian0.1%(6)
Other3.6%(144)
Diversity Score30.9%(1,245)
31
+86%vs 2000
vs 17 in 2000
1990 – 2024
Section 05

Education

15.1%
−2.4 ptsvs 2000
vs 17.5% in 2000
US average: 20.3%
High school or higher
71.8%
−11.0 ptsvs 2000
vs 82.7% in 2000
US average: 75.2%
4.3%
−1.2 ptsvs 2000
vs 5.6% in 2000
US average: 7.1%
Section 06

Commute & transportation

21.9 min
+45%vs 2000
vs 15.1 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Columbia County, Washington?

Columbia County, Washington has about 4,024 residents according to the 1990 Census.

What is the median household income in Columbia County, Washington?

The typical household in Columbia County, Washington earns about $22,418 a year. Half of households make more than that, and half make less.

Is Columbia County, Washington expensive?

In Columbia County, Washington, the median home is worth about $37,600, and the typical rent is about $278 a month.

How educated are people in Columbia County, Washington?

About 15.1% of adults age 25 and over in Columbia County, Washington hold a bachelor's degree or higher.

What is the poverty rate in Columbia County, Washington?

About 19.4% of people in Columbia County, Washington live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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