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COUNTY · 2000 CENSUS

Clay County

Kansas · 8,822 residents · 645.298 sq mi
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The short version

Clay County has lower-than-average household income, with a median household income of $33,965. Population has declined 4% since 1990. Median home value has risen by half since 1990, reaching $55,400. With a median age of 41.3, the population is older than the US median of 35.2.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 41.3
US median: 35.2
Less educated
16% hold a bachelor's degree
US average: 24%
Less affordable
home values up 29%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
8,822
−4%since 1990
from 9,158 in 1990
1990 – 2025
Population density
14 / sq mi
−4%since 1990
from 14 / sq mi in 1990
US average: 242
Median age
41.3
+4%since 1990
from 39.8 in 1990
US average: 35.2
Population, 1990 – 2024
8K8K9K9K9K1990201020202024Clay County
20248K
1990201020202024
Section 02

Income & economy

Median household income
$33,965
+18%inflation adjusted, since 1990
from $21,896 in 1990
US average: $42,589
1990 – 2024
Per capita income
$17,939
+57%since 1990
from $11,431 in 1990
US average: $21,522
Poverty rate
10.1%
−2.4 ptssince 1990
from 12.6% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$55,400
+29%inflation adjusted, since 1990
from $32,600 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$333
+9%inflation adjusted, since 1990
from $231 in 1990
US average: $602
Owner-occupied
76.7%
+3.3 ptssince 1990
from 73.4% in 1990
23.3% rent
Afford Score
1.6
+10%since 1990
from 1.5 in 1990
1990 – 2024
RELATED:See current rent listings in Clay County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.7%(9,128)
Black0%(4)
Hispanic / Latino0.3%(31)
Asian0.2%(15)
Diversity Score1.7%(151)
2000
White, non-Hispanic97.2%(8,577)
Black0.6%(50)
Hispanic / Latino0.8%(73)
Asian0.1%(12)
Diversity Score3.8%(338)
Diversity Score
4
+132%since 1990
from 2 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
16.5%
+3.2 ptssince 1990
from 13.3% in 1990
US average: 24.4%
High school or higher
87.0%
+9.2 ptssince 1990
from 77.8% in 1990
US average: 80.3%
Graduate degree
5.7%
+1.6 ptssince 1990
from 4.2% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
16.2 min
−38%since 1990
from 26.0 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 Clay County

Hamilton County
Pop 7,859
Benton County
Pop 8,883
Adair County
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+80%
Home value$237,100+328%
Population72,598+809%
SEE FULL COMPARISON →
CLAY COUNTY VS
Cloud County
Income$58,770+73%
Home value$100,000+81%
Population8,833+11%
SEE FULL COMPARISON →
CLAY COUNTY VS
Ottawa County
Income$74,018+118%
Home value$166,000+200%
Population5,744−28%
SEE FULL COMPARISON →
CLAY COUNTY VS
Washington County
Income$65,482+93%
Home value$117,100+111%
Population5,533−31%
SEE FULL COMPARISON →
Frequently asked

How many people live in Clay County, Kansas?

Clay County, Kansas has about 8,822 residents according to the 2000 Census.

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

The typical household in Clay County, Kansas earns about $33,965 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 $55,400, and the typical rent is about $333 a month.

How educated are people in Clay County, Kansas?

About 16.5% 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 10.1% of people in Clay County, Kansas live below the federal poverty line.

Has Clay County, Kansas grown since 1990?

Yes, Clay County, Kansas has shrunk since 1990. The population has lost about 336 residents, a change of about -4 percent over that period.

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 →