United States › Missouri › Clay County COUNTY · 2020 ACS
Clay County Missouri · 253,335 residents · 398 sq mi
Time machine
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The short version
Clay County is home to 253,335 people in Missouri. Growth has run 38% since 2000, or 69,329 more people. Households here earn about 26% more than in Missouri as a whole. The foreign-born share is 5%. Home values have risen by half since 2000, reaching $185,700. Poverty is uncommon here, at 8.2% of residents.
At a glance
Wealthier
above the US median
US median: $66,278
Younger
median age 37.3
US median: 38.8
Average education
33% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 35.0 in 2000
US average: 38.8
Population, 1990 – 2024
143K 174K 206K 237K 269K 1990 2000 2010 2020 2024 Clay County Age distribution, 2020
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Section 02
Income & economy $72,047
−1%inflation adjusted, since 2000
from $48,347 in 2000
US average: $66,278
from $23,144 in 2000
US average: $35,364
Households earning $100K+
from 35.3% in 2009
US average: 43.9%
from 5.5% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 6.9%
Public administration 5.9%
Transportation & warehousing 2.9%
Arts, entertainment, food 1.8%
Education & health services 0.8%
Agriculture, forestry, fishing 0.7%
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$185,700
+18%inflation adjusted, since 2000
from $104,400 in 2000
US average: $265,253
$995
+15%inflation adjusted, since 2000
from $576 in 2000
US average: $1,124
from 70.7% in 2000
32.4% rent
from 2.48 people in 2009
US average: 2.61
from 2.6 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 90.5%(166,445)
Hispanic / Latino 3.6%(6,594)
2020
White, non-Hispanic 76.3%(193,282)
Hispanic / Latino 7.4%(18,850)
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 7 more hispanic origin groups with data Ancestry
+ 44 more ancestry groups with data from 24.9% in 2000
US average: 32.9%
High school or higher
from 88.7% in 2000
US average: 88.5%
from 7.5% in 2000
US average: 12.7%
Section 06
Commute & transportation from 13.8 min in 2000
US average: 26.9
from 84.9% in 2009
US average: 75.1%
from 4.2% in 2009
US average: 8.4%
Section 07
Work & employment from 5.9% in 2011
US average: 5.4%
from 72.0% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 35.4% in 2009
US average: 39.3%
Section 08
People & community from 4.2% in 2009
US average: 13.5%
from 10.1% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 32.9%(33,584)
Women 15+
Never married 26.7%(28,344)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 10.1% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 19.7%(2,962)
Gulf War (1990s) 22.8%(3,429)
Share of the 15,037 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Clay County Head to head
Compare Clay County to nearby counties CLAY COUNTY VS
Platte County
Income $96,227 +34%
Home value $345,100 +86%
Population 114,400 −57%
SEE FULL COMPARISON →
CLAY COUNTY VS
Clinton County
Income $70,627 −2%
Home value $226,800 +22%
Population 21,661 −92%
SEE FULL COMPARISON →
CLAY COUNTY VS
Jackson County
Income $68,577 −5%
Home value $230,500 +24%
Population 732,994 +177%
SEE FULL COMPARISON →
CLAY COUNTY VS
Ray County
Income $74,573 +4%
Home value $198,800 +7%
Population 23,398 −91%
SEE FULL COMPARISON →
Frequently asked
How many people live in Clay County, Missouri? Clay County, Missouri has about 253,335 residents according to the 2020 American Community Survey.
What is the median household income in Clay County, Missouri? The typical household in Clay County, Missouri earns about $72,047 a year. Half of households make more than that, and half make less.
Is Clay County, Missouri expensive? In Clay County, Missouri, the median home is worth about $185,700, and the typical rent is about $995 a month.
How educated are people in Clay County, Missouri? About 32.8% of adults age 25 and over in Clay County, Missouri hold a bachelor's degree or higher.
What is the poverty rate in Clay County, Missouri? About 8.2% of people in Clay County, Missouri live below the federal poverty line.
Has Clay County, Missouri grown since 1990? Yes, Clay County, Missouri has grown since 1990. The population has added about 99,924 residents, a change of about 65 percent over that period.
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