COUNTY · 2000 CENSUS

Columbia County

Oregon · 43,560 residents · 658.684 sq mi

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The short version

Columbia County has roughly average household income, with a median household income of $45,797. Population has grown 16% since 1990. 14% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has more than doubled since 1990, reaching $146,600.

At a glance

Wealthier

above the US median

US median: $42,589

Older

median age 37.7

US median: 35.2

Less educated

14% hold a bachelor's degree

US average: 24%

Less affordable

home values up 79%, inflation adjusted

US median home: $120,530

Section 01

Population & growth

Total population

43,560

+16%since 1990

from 37,557 in 1990

1990 – 2025

Population density

66 / sq mi

+16%since 1990

from 57 / sq mi in 1990

US average: 242

Median age

37.7

+8%since 1990

from 34.8 in 1990

US average: 35.2

Population, 1990 – 2024

202453K

Section 02

Income & economy

Median household income

$45,797

+18%inflation adjusted, since 1990

from $29,507 in 1990

US average: $42,589

1990 – 2024

Per capita income

$20,078

+57%since 1990

from $12,798 in 1990

US average: $21,522

Poverty rate

9.1%

−1.2 ptssince 1990

from 10.2% in 1990

US average: 12.4%

Section 03

Housing

Median home value

$146,600

+79%inflation adjusted, since 1990

from $62,300 in 1990

US average: $120,530

1990 – 2024

Median gross rent

$581

+26%inflation adjusted, since 1990

from $350 in 1990

US average: $602

Owner-occupied

76.1%

+2.0 ptssince 1990

from 74.1% in 1990

23.9% rent

Afford Score

3.2

+52%since 1990

from 2.1 in 1990

1990 – 2024

RELATED:See current rent listings in Columbia County on RentDataNow

Section 04

Race & ethnicity

1990

White, non-Hispanic96.7%(36,315)

Black0.1%(39)

Hispanic / Latino2%(757)

Asian0.9%(339)

Diversity Score12.6%(4,725)

2000

White, non-Hispanic93.1%(40,576)

Black0.2%(97)

Hispanic / Latino2.5%(1,093)

Asian0.6%(246)

Diversity Score8.3%(3,620)

Diversity Score

−34%since 1990

from 13 in 1990

1990 – 2024

Section 05

Education

Bachelor's degree or higher

14.0%

+3.1 ptssince 1990

from 11.0% in 1990

US average: 24.4%

High school or higher

85.6%

+7.5 ptssince 1990

from 78.0% in 1990

US average: 80.3%

Graduate degree

4.2%

+0.9 ptssince 1990

from 3.3% in 1990

US average: 8.8%

Section 06

Commute & transportation

Average commute

23.2 min

−8%since 1990

from 25.3 min in 1990

US average: 17.6

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 Columbia County

Head to head

Compare Columbia County to nearby counties

COLUMBIA COUNTY VS

Cowlitz County

Income$76,531+67%

Home value$397,500+171%

Population114,885+112%

SEE FULL COMPARISON →

COLUMBIA COUNTY VS

Washington County

Income$107,772+135%

Home value$588,000+301%

Population611,708+1031%

SEE FULL COMPARISON →

COLUMBIA COUNTY VS

Wahkiakum County

Income$62,653+37%

Home value$396,800+171%

Population4,873−91%

SEE FULL COMPARISON →

COLUMBIA COUNTY VS

Clatsop County

Income$71,822+57%

Home value$468,300+219%

Population40,926−24%

SEE FULL COMPARISON →

Frequently asked

How many people live in Columbia County, Oregon?

Columbia County, Oregon has about 43,560 residents according to the 2000 Census.

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

The typical household in Columbia County, Oregon earns about $45,797 a year. Half of households make more than that, and half make less.

Is Columbia County, Oregon expensive?

In Columbia County, Oregon, the median home is worth about $146,600, and the typical rent is about $581 a month.

How educated are people in Columbia County, Oregon?

About 14.0% of adults age 25 and over in Columbia County, Oregon hold a bachelor's degree or higher.

What is the poverty rate in Columbia County, Oregon?

About 9.1% of people in Columbia County, Oregon live below the federal poverty line.

Has Columbia County, Oregon grown since 1990?

Yes, Columbia County, Oregon has grown since 1990. The population has added about 6,003 residents, a change of about 16 percent over that period.

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

How we source and harmonize this data →