Clay County, Missouri Population 2024

259,379

Clay County, Missouri's estimated 2024 population is 259,379 with a growth rate of 0.45% in the past year according to the most recent United States census data. Clay County, Missouri is the 6th largest county in Missouri. The 2010 population was 222,649 and has seen a growth of 16.5% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029265,2441,1730.44%
2028264,0711,1730.45%
2027262,8981,1730.45%
2026261,7251,1730.45%
2025260,5521,1730.45%
2024259,3791,1730.45%
2023258,2061,1730.46%
2022257,0331,1730.46%
2021255,8601,7480.69%
2020254,1123,5901.43%
2019250,5223,7241.51%
2018246,7984,0181.65%
2017242,7803,9431.65%
2016238,8373,4931.48%
2015235,3442,2020.94%
2014233,1422,7411.19%
2013230,4012,7651.21%
2012227,6362,3651.05%
2011225,2712,6221.18%
2010222,64900%
1990153,41116,92312.4%
1980136,48813,16610.68%
1970123,32235,84840.98%
196087,47442,25393.44%
195045,22114,80448.67%
194030,4173,60613.45%
193026,8116,35631.07%
192020,4551530.75%
191020,3021,3997.4%
190018,903-953-4.8%
189019,8564,28427.51%
188015,57280.05%
187015,5642,54119.51%
186013,0232,69126.05%
185010,3322,05024.75%
18408,2822,94455.15%
18305,338-259,906-97.99%
showing: 37 rows
2024 Growth Rate
0.45% (1,173)
County Website
Clay County
County Seat
2020 Population
254,112
Area
398 mi²
Density
652 people/mi²
Growth Since 2020
2.07% (5,267)
Founded
January 2, 1822

Clay County, Missouri Population 2024

Population by Race

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Race
Population
Percentage (of total)
White206,06981.42%
Two or more races16,9606.7%
Black or African American16,7326.61%
Other race5,9702.36%
Asian5,6272.22%
Native American9230.36%
Native Hawaiian or Pacific Islander8040.32%

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Clay County, Missouri Population by Race

Clay County, Missouri Population Pyramid 2024

Clay County, Missouri Median Age

37.5

Total

36.8

Male

38.2

Female

Clay County, Missouri Adults

There are 192,908 adults, (36,986 of whom are seniors) in Clay County, Missouri.

Clay County, Missouri Age Dependency

62.3

Age Dependency Ratio

23.7

Old Age Dependency Ratio

38.6

Child Dependency Ratio

Clay County, Missouri Sex Ratio

Female127,86050.52%
Male125,22549.48%

Clay County, Missouri Population by Age

Clay County, Missouri Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All99,5012.5268.231.8
Married49,6073.285.214.8
Non Family33,3331.2449.950.1
Female11,4123.1451.348.7
Male5,1492.8959.940.1

3.07

Average Family Size

2.52

Average Household Size

68.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Clay County, Missouri Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Clay County, Missouri Educational Attainment by Sex (over 25)

Clay County, Missouri Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 95.01%.

The highest rate of bachelors degrees is among islander people with a rate of 51.81%.

Clay County, Missouri Educational Attainment by Race

All

Male

Female

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$52,148

Average Earnings

$59,864

Average Male

$45,337

Average Female

Clay County, Missouri Earnings by Educational Attainment

Clay County, Missouri Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Clay County, Missouri Language

92.7% of Clay County, Missouri residents speak only English, while 7.3% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.28% of the population.

Clay County, Missouri Language

Clay County, Missouri Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White197,23213,6916.94%
Black16,5352,82417.08%
Hispanic18,4862,33412.63%
Multiple16,8291,79210.65%
Other5,94488514.89%
Asian5,5913646.51%
Native89314416.13%
Islander77513617.55%

8.26%

Overall Poverty Rate

7.67%

Male Poverty Rate

8.83%

Female Poverty Rate

Poverty in Clay County, Missouri

The race most likely to be in poverty in Clay County, Missouri is Islander, with 17.55% below the poverty level.

The race least likely to be in poverty in Clay County, Missouri is Asian, with 6.51% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.78%. Among those working part-time, it was 11.48%, and for those that did not work, the poverty rate was 15.71%.

Clay County, Missouri Poverty

rate

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Rate
Poverty
Less Than 9th Grade18.4%
High School9.26%
Some College6.33%
Bachelors or Greater2.91%

Clay County, Missouri Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed29.58%
Male Unemployed22.08%
Female Employed4.19%
Male Employed3.51%

Clay County, Missouri Poverty Rate by Employment Status and Sex

Clay County, Missouri Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Clay County, Missouri Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.2%

Overall Marriage Rate

52.8%

Male Marriage Rate

49.6%

Female Marriage Rate

Clay County, Missouri Married by Age and Sex

male

female

Clay County, Missouri Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Clay County, Missouri Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Clay County, Missouri Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

13,907

Number of Veterans

12,477

Male Veterans

1,430

Female Veterans

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Clay County, Missouri Veterans by War

count

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Clay County, Missouri Veterans by Age

count

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Clay County, Missouri Veterans by Race

Clay County, Missouri Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.35%

Veteran Poverty Rate

29.09%

Veteran Disability Rate

Clay County, Missouri Veterans by Education

LaborForceParticipation

69.8%

Labor Force Participation

66.8%

Employment Rate

4%

Unemployment Rate

Clay County, Missouri Employment by Age

LaborForceParticipation

Clay County, Missouri Employment by Race

LaborForceParticipation

Clay County, Missouri Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

58.52%

Born in Clay County, Missouri

94.68%

Native Born

5.32%

Foreign Born

1.9%

Non Citizen

3.42%

Naturalized

Place of Birth

94.68% of Clay County, Missouri residents were born in the United States, with 58.52% having been born in Missouri. 1.9% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Clay County, Missouri Place of Birth

Sources