COUNTY · 1990 CENSUS

Cowlitz County

Washington · 82,119 residents · 1,141.159 sq mi

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The short version

Cowlitz County has roughly average household income, with a median household income of $27,866. Population has declined 12% since 2000. 11% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $61,400.

At a glance

Lower income

below the US median

US median: $30,130

Mid-age

median age 34.3

US median: 33.0

Less educated

11% hold a bachelor's degree

US average: 20%

More affordable

home values down 35%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

82,119

−12%vs 2000

vs 92,948 in 2000

1990 – 2025

Population density

72 / sq mi

−12%vs 2000

vs 81 / sq mi in 2000

US average: 221

Median age

34.3

−7%vs 2000

vs 36.9 in 2000

US average: 33.0

Population, 1990 – 2024

2024112K

Section 02

Income & economy

Median household income

$27,866

−8%inflation adjusted, since 2000

vs $39,797 in 2000

US average: $30,130

1990 – 2024

Per capita income

$12,638

−32%vs 2000

vs $18,583 in 2000

US average: $14,340

Poverty rate

13.3%

−0.6 ptsvs 2000

vs 14.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$61,400

−35%inflation adjusted, since 2000

vs $125,100 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$348

−11%inflation adjusted, since 2000

vs $518 in 2000

US average: $450

Owner-occupied

65.4%

−2.2 ptsvs 2000

vs 67.6% in 2000

34.6% rent

Afford Score

2.2

−30%vs 2000

vs 3.1 in 2000

1990 – 2024

RELATED:See current rent listings in Cowlitz County on RentDataNow

Section 04

Race & ethnicity

2000

White, non-Hispanic89.9%(83,571)

Black0.5%(448)

Hispanic / Latino4.6%(4,231)

Asian1.3%(1,195)

Other0%

Diversity Score15.6%(14,475)

1990

White, non-Hispanic95.2%(78,200)

Black0.3%(245)

Hispanic / Latino2%(1,635)

Asian1.6%(1,286)

Other2.9%(2,388)

Diversity Score15.8%(13,015)

Diversity Score

+2%vs 2000

vs 16 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

11.3%

−2.0 ptsvs 2000

vs 13.3% in 2000

US average: 20.3%

High school or higher

77.3%

−5.9 ptsvs 2000

vs 83.2% in 2000

US average: 75.2%

Graduate degree

3.4%

−1.5 ptsvs 2000

vs 4.9% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

17.7 min

+18%vs 2000

vs 14.9 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.

Drill deeper

Places similar to Cowlitz County

Head to head

Compare Cowlitz County to nearby counties

COWLITZ COUNTY VS

Columbia County

Income$87,458+214%

Home value$421,600+587%

Population54,091−53%

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COWLITZ COUNTY VS

Lewis County

Income$74,796+168%

Home value$385,800+528%

Population88,062−23%

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COWLITZ COUNTY VS

Clark County

Income$97,536+250%

Home value$522,900+752%

Population532,119+363%

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COWLITZ COUNTY VS

Wahkiakum County

Income$62,653+125%

Home value$396,800+546%

Population4,873−96%

SEE FULL COMPARISON →

Frequently asked

How many people live in Cowlitz County, Washington?

Cowlitz County, Washington has about 82,119 residents according to the 1990 Census.

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

The typical household in Cowlitz County, Washington earns about $27,866 a year. Half of households make more than that, and half make less.

Is Cowlitz County, Washington expensive?

In Cowlitz County, Washington, the median home is worth about $61,400, and the typical rent is about $348 a month.

How educated are people in Cowlitz County, Washington?

About 11.3% of adults age 25 and over in Cowlitz County, Washington hold a bachelor's degree or higher.

What is the poverty rate in Cowlitz County, Washington?

About 13.3% of people in Cowlitz County, Washington live below the federal poverty line.

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

How we source and harmonize this data →