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COUNTY · 1990 CENSUS

Clay County

Kansas · 9,158 residents · 645.298 sq mi
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The short version

Clay County has notably lower household income than the US average, with a median household income of $21,896. Population has held roughly steady since 2000. Median home value is $32,600. With a median age of 39.8, the population is older than the US median of 33.0.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 39.8
US median: 33.0
Less educated
13% hold a bachelor's degree
US average: 20%
More affordable
home values down 22%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
9,158
+4%vs 2000
vs 8,822 in 2000
1990 – 2025
Median age
39.8
−4%vs 2000
vs 41.3 in 2000
US average: 33.0
Population, 1990 – 2024
8K8K9K9K9K1990201020202024Clay County
20248K
1990201020202024
Age distribution, 1990
Under 56.5%(593)
US avg: 7.3%
5 to 97.7%(703)
US avg: 7.3%
10 to 147.5%(683)
US avg: 6.9%
15 to 195.9%(536)
US avg: 7.1%
20 to 243.6%(334)
US avg: 7.5%
25 to 3412.9%(1,185)
US avg: 17.5%
35 to 4412.9%(1,183)
US avg: 15.1%
45 to 549.9%(910)
US avg: 10.2%
55 to 6410.2%(931)
US avg: 8.5%
65 to 7411%(1,005)
US avg: 7.3%
75 to 848.3%(761)
US avg: 4%
85 and over3.6%(334)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$21,896
−15%inflation adjusted, since 2000
vs $33,965 in 2000
US average: $30,130
1990 – 2024
Per capita income
$11,431
−36%vs 2000
vs $17,939 in 2000
US average: $14,340
Poverty rate
12.6%
+2.4 ptsvs 2000
vs 10.1% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$32,600
−22%inflation adjusted, since 2000
vs $55,400 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$231
−9%inflation adjusted, since 2000
vs $333 in 2000
US average: $450
Owner-occupied
73.4%
−3.3 ptsvs 2000
vs 76.7% in 2000
26.6% rent
RELATED:See current rent listings in Clay County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.2%(8,577)
Black0.6%(50)
Hispanic / Latino0.8%(73)
Asian0.1%(12)
Other0%
1990
White, non-Hispanic99.7%(9,128)
Black0%(4)
Hispanic / Latino0.3%(31)
Asian0.2%(15)
Other0.1%(11)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin
Mexican2.7%(217)
Puerto Rican0.5%(40)
Chilean0.1%(12)
Spaniard0.1%(8)
Asian origin
Asian Indian0.4%(29)
Laotian0.1%(6)
Korean0.1%(5)
Hmong0%(2)
Ancestry
German29.8%(2,402)
English15.1%(1,212)
Irish9.4%(753)
American5.8%(467)
Swedish4.9%(398)
French3.8%(309)
Czech1.5%(123)
Scottish1.5%(121)
Swiss1.2%(96)
Welsh1.2%(94)
Norwegian1%(79)
Croatian0.5%(44)
+ 11 more ancestry groups with data
Italian0.5%(43)
Austrian0.4%(33)
Polish0.4%(32)
Scotch-Irish0.3%(28)
Dutch0.3%(26)
Danish0.2%(19)
Portuguese0.1%(12)
Belgian0.1%(8)
Canadian0.1%(7)
Slovak0%(2)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest American population · Largest Swedish population
Section 05

Education

Bachelor's degree or higher
13.3%
−3.2 ptsvs 2000
vs 16.5% in 2000
US average: 20.3%
High school or higher
77.8%
−9.2 ptsvs 2000
vs 87.0% in 2000
US average: 75.2%
Graduate degree
4.2%
−1.6 ptsvs 2000
vs 5.7% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
26.0 min
+60%vs 2000
vs 16.2 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)
Men 15+
Never married24.5%(811)
Married63%(2,087)
Widowed1.5%(49)
Divorced11.1%(367)
Women 15+
Never married12.4%(399)
Married59.7%(1,915)
Widowed12%(384)
Divorced15.8%(508)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Clay County

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Pop 7,859
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Pop 8,883
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Pop 7,403
Caribou County
Pop 7,252
Places similar to Clay County
Head to head

Compare Clay County to nearby counties

CLAY COUNTY VS
Riley County
Income$61,098+179%
Home value$237,100+627%
Population72,598+809%
SEE FULL COMPARISON →
CLAY COUNTY VS
Cloud County
Income$58,770+168%
Home value$100,000+207%
Population8,833+11%
SEE FULL COMPARISON →
CLAY COUNTY VS
Ottawa County
Income$74,018+238%
Home value$166,000+409%
Population5,744−28%
SEE FULL COMPARISON →
CLAY COUNTY VS
Washington County
Income$65,482+199%
Home value$117,100+259%
Population5,533−31%
SEE FULL COMPARISON →
Frequently asked

How many people live in Clay County, Kansas?

Clay County, Kansas has about 9,158 residents according to the 1990 Census.

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

The typical household in Clay County, Kansas earns about $21,896 a year. Half of households make more than that, and half make less.

Is Clay County, Kansas expensive?

In Clay County, Kansas, the median home is worth about $32,600, and the typical rent is about $231 a month.

How educated are people in Clay County, Kansas?

About 13.3% of adults age 25 and over in Clay County, Kansas hold a bachelor's degree or higher.

What is the poverty rate in Clay County, Kansas?

About 12.6% of people in Clay County, Kansas live below the federal poverty line.

Keep going

Explore from here

2 census tracts
Census Tract 4582Census Tract 4581
5 ZIP codes
ZIP 67432ZIP 67487ZIP 67458ZIP 67468ZIP 67447
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →