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COUNTY · 2000 CENSUS

Washington County

Kansas · 6,483 residents · 894.759 sq mi
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The short version

Washington County has notably lower household income than the US average, with a median household income of $29,363. Population has declined 8% since 1990. 15% 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 $37,500. With a median age of 43.6, the population is older than the US median of 35.2. Households here earn about 28% less than the Kansas median.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 43.6
US median: 35.2
Less educated
15% hold a bachelor's degree
US average: 24%
Less affordable
home values up 56%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

6,483
−8%since 1990
from 7,073 in 1990
1990 – 2025
43.6
+6%since 1990
from 40.9 in 1990
US average: 35.2
Population, 19902024
5K6K6K7K7K1990201020202024Washington County
20246K
1990201020202024
Age distribution, 2000
Under 55.7%(367)
US avg: 6.8%
5 to 96.1%(396)
US avg: 7.3%
10 to 147.3%(474)
US avg: 7.3%
15 to 196.6%(428)
US avg: 7.2%
20 to 243.4%(219)
US avg: 6.7%
25 to 348.9%(575)
US avg: 14.2%
35 to 4414%(910)
US avg: 16%
45 to 5412.4%(802)
US avg: 13.4%
55 to 6410.6%(687)
US avg: 8.6%
65 to 7410.8%(701)
US avg: 6.5%
75 to 849.3%(602)
US avg: 4.4%
85 and over5%(322)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$29,363
+15%inflation adjusted, since 1990
from $19,424 in 1990
US average: $42,589
1990 – 2024
$15,515
+62%since 1990
from $9,595 in 1990
US average: $21,522
10.1%
−4.8 ptssince 1990
from 14.9% in 1990
US average: 12.4%
Section 03

Housing

$37,500
+56%inflation adjusted, since 1990
from $18,300 in 1990
US average: $120,530
1990 – 2024
$286
+12%inflation adjusted, since 1990
from $193 in 1990
US average: $602
79.5%
+1.2 ptssince 1990
from 78.3% in 1990
20.5% rent
RELATED:See current rent listings in Washington County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.4%(7,028)
Black0.1%(10)
Hispanic / Latino0.4%(25)
Asian0%(0)
2000
White, non-Hispanic98.4%(6,380)
Black0.1%(7)
Hispanic / Latino0.6%(42)
Asian0%(3)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican4.4%(241)
Puerto Rican0.3%(14)
Spaniard0.2%(9)
Asian origin
Japanese0.2%(9)
Pakistani0.1%(7)
Filipino0.1%(3)
Chinese0%(2)
Pacific Islander origin
Ancestry
German42.4%(2,346)
Irish11.6%(641)
English7.8%(431)
American6.7%(371)
Czech5.2%(290)
French5.1%(281)
Swedish3.8%(210)
Scottish1.2%(69)
Dutch0.9%(50)
Italian0.9%(50)
Scotch-Irish0.9%(50)
Swiss0.7%(36)
+ 13 more ancestry groups with data
Polish0.6%(32)
Welsh0.5%(26)
Norwegian0.3%(16)
Danish0.2%(13)
Canadian0.1%(6)
Lithuanian0.1%(6)
Iranian0.1%(5)
British0.1%(3)
Finnish0%(1)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Czech population
Section 05

Education

15.2%
+4.0 ptssince 1990
from 11.2% in 1990
US average: 24.4%
High school or higher
81.2%
+11.6 ptssince 1990
from 69.6% in 1990
US average: 80.3%
4.4%
+1.3 ptssince 1990
from 3.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

14.1 min
−49%since 1990
from 27.6 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.

Marital status
Men 15+
Never married24.7%(639)
Married65.2%(1,684)
Widowed3.2%(82)
Divorced6.9%(178)
Women 15+
Never married13%(347)
Married64.8%(1,724)
Widowed16.7%(443)
Divorced5.5%(146)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
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Frequently asked

How many people live in Washington County, Kansas?

Washington County, Kansas has about 6,483 residents according to the 2000 Census.

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

The typical household in Washington County, Kansas earns about $29,363 a year. Half of households make more than that, and half make less.

Is Washington County, Kansas expensive?

In Washington County, Kansas, the median home is worth about $37,500, and the typical rent is about $286 a month.

How educated are people in Washington County, Kansas?

About 15.2% of adults age 25 and over in Washington County, Kansas hold a bachelor's degree or higher.

What is the poverty rate in Washington County, Kansas?

About 10.1% of people in Washington County, Kansas live below the federal poverty line.

Has Washington County, Kansas grown since 1990?

Yes, Washington County, Kansas has shrunk since 1990. The population has lost about 590 residents, a change of about -8 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 →