United States › Washington › Columbia County COUNTY · 1990 CENSUS
Columbia County Washington · 4,024 residents · 869 sq mi
Time machine
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The short version
With 4,024 people, Columbia County is a county in Washington. The median age is 38.8, about 6 years above the US median. The typical home is worth $37,600. Households here earn about 28% less than in Washington as a whole. Renters pay $278 a month at the median. The poverty rate is 19.4%, above the 13.2% national rate.
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 vs 42.4 in 2000
US average: 33.0
Population, 1990 – 2024
4K 4K 4K 4K 4K 1990 2000 2010 2020 2024 Columbia County Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $22,418
−12%inflation adjusted, since 2000
vs $33,500 in 2000
US average: $30,130
vs $17,374 in 2000
US average: $14,340
vs 12.6% in 2000
US average: 13.2%
$37,600
−42%inflation adjusted, since 2000
vs $85,500 in 2000
US average: $93,722
$278
−22%inflation adjusted, since 2000
vs $467 in 2000
US average: $450
vs 69.4% in 2000
32.4% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 90.7%(3,685)
Hispanic / Latino 6.3%(258)
1990
White, non-Hispanic 96.3%(3,874)
Hispanic / Latino 11.9%(479)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 9 more ancestry groups with data vs 17.5% in 2000
US average: 20.3%
High school or higher
vs 82.7% in 2000
US average: 75.2%
vs 5.6% in 2000
US average: 7.1%
Section 06
Commute & transportation 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.
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 11.3% in 2013
US average: 8.4%
from 48.9% in 2020
US average: 54.8%
Direct-purchase
from 15.9% in 2020
US average: 13.8%
from 30.5% in 2020
US average: 18.4%
from 22.0% in 2020
US average: 20.9%
VA health care
from 4.9% in 2020
US average: 2.2%
Any private
from 65.7% in 2020
US average: 67.1%
Any public
from 50.0% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 16.3%(62)
Gulf War (1990s) 18.9%(72)
Share of the 381 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Columbia County Head to head
Compare Columbia County to nearby counties COLUMBIA COUNTY VS
Garfield County
Income $64,884 +189%
Home value $239,200 +536%
Population 2,416 −42%
SEE FULL COMPARISON →
COLUMBIA COUNTY VS
Walla Walla County
Income $74,202 +231%
Home value $408,900 +988%
Population 62,361 +1406%
SEE FULL COMPARISON →
COLUMBIA COUNTY VS
Asotin County
Income $72,283 +222%
Home value $325,600 +766%
Population 22,545 +444%
SEE FULL COMPARISON →
COLUMBIA COUNTY VS
Whitman County
Income $55,406 +147%
Home value $359,600 +856%
Population 48,512 +1072%
SEE FULL COMPARISON →
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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