Clay County, Missouri Population 2021

Clay County, Missouri's estimated population is 257,124 with a growth rate of 1.42% in the past year according to the most recent United States census data. Clay County, Missouri is the 7th largest county inMissouri. The 2010 Population was 222,650 and has seen a growth of 15.48% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
2021257,1243,5881.42%
2020253,5363,5881.44%
2019249,9483,5881.46%
2018246,3603,8331.58%
2017242,5273,9441.65%
2016238,5833,4221.46%
2015235,1612,1530.92%
2014233,0082,7021.17%
2013230,3062,7271.20%
2012227,5792,3361.04%
2011225,2432,5931.16%
2010222,65069,23945.13%
1990153,41116,92312.40%
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%
191020,3021,3997.40%
190018,903-953-4.80%
189019,8564,28427.51%
188015,57280.05%
187015,5642,54119.51%
186013,0232,69126.05%
185010,3322,05024.75%
18408,2822,94455.15%
18305,3380.00%
2021 Growth Rate
1.42% (3,588)
County Website
Founded
January 2, 1822
County Seat
2010 Population
222,650
Growth Since 2010
15.48% (34,474)
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Clay County, Missouri Population Growth

Population by Race

Race Population Percentage
White206,47185.14%
Black or African American14,8846.14%
Two or More Races9,7394.02%
Asian5,3322.20%
Some Other Race4,4021.82%
American Indian and Alaska Native1,1270.46%
Native Hawaiian and Other Pacific Islander5610.23%
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Clay County, Missouri Population by Race

Clay County, Missouri Population Pyramid $2021

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Clay County, Missouri Median Age

37.1


Total

36.2


Male

38


Female

Clay County, Missouri Adults

There are 183,577 adults, (33,537 of whom are seniors) in Clay County, Missouri.

Clay County, Missouri Age Dependency

61.6

Age Dependency Ratio

22.4

Old Age Dependency Ratio

39.3

Child Dependency Ratio

Clay County, Missouri Sex Ratio

Female

123,543

50.94%

Male

118,973

49.06%

Clay County, Missouri Population by Age

Clay County, Missouri Renter vs Owner Occupied by Household Type

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Clay County, Missouri Household Types

Type Owner Renter
Female48.4%51.6%
Male51.8%48.2%
Non Family52.6%47.4%
All68.7%31.3%
Married85.1%14.9%

68.7%

Rate of Home Ownership

Clay County, Missouri Households and Families

Type Count Average Size Owned
All91,2382.6368.7
Married46,4283.2685.1
Non Family30,4571.2852.6
Female10,0503.4748.4
Male4,3033.3851.8

3.2

Average Family Size

2.63

Average Household Size

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Clay County, Missouri Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3,4162.09%
9th to 12th Grade7,4784.57%
High School Graduate46,38128.35%
Some College37,96223.21%
Associates Degree14,0148.57%
Bachelors Degree36,68222.42%
Graduate Degree17,64710.79%
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Clay County, Missouri Educational Attainment by Sex (over 25)

Clay County, Missouri Educational Attainment by Race

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Race Total High School Bachelors
White138,619130,85847,333
Black9,1288,5052,870
Hispanic9,0337,4941,699
Asian3,4172,6941,367
2+ Races3,2902,978993
Other Race2,7382,021397
Native American828751270
Islander23521618

The highest rate of high school graduation is among white people with a rate of 94.40%.

The highest rate of bachelors degrees is among asian people with a rate of 40.01%.

Clay County, Missouri Educational Attainment by Race

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Name Average Male Female
Overall$44,144$51,071$37,029
Less Than 9th Grade$29,060$31,656$23,508
High School Graduate$34,891$43,500$26,946
Some College$40,658$49,223$33,336
Bachelors Degree$54,476$64,341$46,852
Graduate Degree$63,215$79,957$56,443

$44,144

Average Earnings

$51,071

Average Male

$37,029

Average Female

Clay County, Missouri Earnings by Educational Attainment

Clay County, Missouri Language by Age

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Clay County, Missouri Language

92.73% of Clay County, Missouri residents speak only English, while 7.27% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.03% of the population.

Clay County, Missouri Language

Clay County, Missouri Poverty by Race

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Name Total In Poverty Poverty Rate
White194,31912,3426.35%
Black14,5353,17021.81%
Hispanic16,3602,26213.83%
Multiple9,5071,10711.64%
Other4,34375117.29%
Asian5,3325199.73%
Islander55023542.73%
Native1,12012711.34%

8.17%

Overall Poverty Rate

7.16%

Male Poverty Rate

9.14%

Female Poverty Rate

Poverty in Clay County, Missouri

The race most likely to be in poverty in Clay County, Missouri is Islander, with 42.73% below the poverty level.

The race least likely to be in poverty in Clay County, Missouri is White, with 6.35% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.59%. Among those working part-time, it was 13.48%, and for those that did not work, the poverty rate was 12.41%.

Clay County, Missouri Poverty

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Name Poverty
Less Than 9th Grade16.96%
High School7.67%
Some College6.05%
Bachelors or Greater2.94%

Clay County, Missouri Poverty Rate by Education

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Rate Poverty
Female Unemployed29.24%
Male Unemployed22.69%
Female Employed5.72%
Male Employed3.56%

Clay County, Missouri Poverty Rate by Employment Status and Sex

Clay County, Missouri Income by Household Type

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Name Median Mean
Households$70,510$88,212
Families$85,622$101,875
Married Families$97,327$114,731
Non Families$43,126$56,784
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Income by Household Type

Clay County, Missouri Marital Status

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Marriage Rates

50.6%

Overall Marriage Rate

52.0%

Male Marriage Rate

49.3%

Female Marriage Rate

Clay County, Missouri Married by Age and Sex

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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

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Clay County, Missouri Marital Status

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15,438

Number of Veterans

14,142

Male Veterans

1,296

Female Veterans

War Veterans
Vietnam4,947
First Gulf War3,353
Second Gulf War3,042
Korea1,272
World War II489

Clay County, Missouri Veterans by War

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Age Group Veterans
35 to 544,139
65 to 743,898
75+3,291
55 to 642,709
18 to 341,401

Clay County, Missouri Veterans by Age

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Name Veterans % of Total
White14,3148.98%
Black6335.89%
Hispanic4293.98%
2+ Races2124.51%
Asian1222.92%
Other Race953.20%
Native American626.11%

Clay County, Missouri Veterans by Race

Clay County, Missouri Veterans by Education

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4.51%

Veteran Poverty Rate

28.89%

Veteran Disability Rate

Clay County, Missouri Veterans by Education

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70.2%

Labor Force Participation

67.3%

Employment Rate

3.9%

Unemployment Rate

Clay County, Missouri Employment by Age

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Clay County, Missouri Employment by Race

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Clay County, Missouri Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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58.49%

Born in Clay County, Missouri

94.90%

Native Born

5.10%

Foreign Born

1.85%

Non Citizen

3.25%

Naturalized

Place of Birth

94.90% of Clay County, Missouri residents were born in the United States, with 58.49% having been born in Missouri. 1.85% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources