Jefferson County, Missouri Population 2022

Jefferson County, Missouri's estimated population is 228,341 with a growth rate of 0.35% in the past year according to the most recent United States census data. Jefferson County, Missouri is the 7th largest county in Missouri. The 2010 Population was 218,733 and has seen a growth of 4.39% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18201,8350.00%
18302,59275741.25%
18404,2961,70465.74%
18506,9282,63261.27%
186010,3443,41649.31%
187015,3805,03648.69%
188018,7363,35621.82%
189022,4843,74820.00%
190025,7123,22814.36%
191027,8782,1668.42%
192026,555-1,323-4.75%
193027,5631,0083.80%
194032,0234,46016.18%
195038,0075,98418.69%
196066,37728,37074.64%
1970105,24838,87158.56%
1980146,18340,93538.89%
1990171,38025,19717.24%
2010218,73347,35327.63%
2011219,5348010.37%
2012220,3358010.36%
2013221,1368010.36%
2014221,9378010.36%
2015222,7388010.36%
2016223,5398010.36%
2017224,3408010.36%
2018225,1418010.36%
2019225,9428010.36%
2020226,7397970.35%
2021227,5408010.35%
2022228,3418010.35%
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Jefferson County, Missouri Population Growth

Population by Race

Race Population Percentage
White211,91794.28%
Black or African American1,9430.86%
American Indian and Alaska Native5450.24%
Asian1,7480.78%
Native Hawaiian and Other Pacific Islander350.02%
Some Other Race5260.23%
Two or More Races8,0633.59%
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Jefferson County, Missouri Population by Race

Jefferson County, Missouri Population Pyramid 2022

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Jefferson County, Missouri Median Age

39.6


Total

38.7


Male

40.8


Female

Jefferson County, Missouri Adults

There are 172,683 adults, (33,717 of whom are seniors) in Jefferson County, Missouri.

Jefferson County, Missouri Age Dependency

Age Dependency Ratio

24.3

Old Age Dependency Ratio

37.5

Child Dependency Ratio

Jefferson County, Missouri Sex Ratio

Female

112,988

50.27%

Male

111,789

49.73%

Jefferson County, Missouri Population by Age

Jefferson County, Missouri Renter vs Owner Occupied by Household Type

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Jefferson County, Missouri Household Types

Type Owner Renter
Married89.6%10.4%
All79.5%20.5%
Non Family71.7%28.3%
Male63%37%
Female57.4%42.6%

79.5%

Rate of Home Ownership

Jefferson County, Missouri Households and Families

Type Count Average Size Owned
All84,9782.6279.5
Married47,0193.1489.6
Male4,8683.0563
Female9,4623.1657.4
Non Family23,6291.2771.7

3.03

Average Family Size

2.62

Average Household Size

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Jefferson County, Missouri Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3,4692.23%
9th to 12th Grade11,8317.59%
High School Graduate50,25432.25%
Some College37,93424.34%
Associates Degree19,46112.49%
Bachelors Degree22,37214.36%
Graduate Degree10,5096.74%
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Jefferson County, Missouri Educational Attainment by Sex (over 25)

Jefferson County, Missouri Educational Attainment by Race

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Race Total High School Bachelors
Islander251414
Asian1,2841,135537
Other Race22221261
Hispanic2,2781,898541
White146,575132,29230,798
Native American46244596
2+ Races4,1603,785807
Black1,1781,051160

The highest rate of high school graduation is among native american people with a rate of 96.32%.

The highest rate of bachelors degrees is among islander people with a rate of 56.00%.

Jefferson County, Missouri Educational Attainment by Race

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Name Average Male Female
Overall$42,013$50,554$33,765
Less Than 9th Grade$27,431$33,170$19,805
High School Graduate$34,949$43,418$26,267
Some College$41,378$52,416$31,557
Bachelors Degree$57,231$70,101$50,732
Graduate Degree$61,159$68,601$57,087

$42,013

Average Earnings

$50,554

Average Male

$33,765

Average Female

Jefferson County, Missouri Earnings by Educational Attainment

Jefferson County, Missouri Language by Age

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Jefferson County, Missouri Language

96.94% of Jefferson County, Missouri residents speak only English, while 3.06% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.28% of the population.

Jefferson County, Missouri Language

Jefferson County, Missouri Poverty by Race

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Name Total In Poverty Poverty Rate
Black1,81349527.30%
Multiple7,9201,22315.44%
Native5388315.43%
White205,54317,9788.75%
Asian1,733583.35%
Other51NaN%
Hispanic4,5083437.61%

9.07%

Overall Poverty Rate

8.04%

Male Poverty Rate

10.09%

Female Poverty Rate

Poverty in Jefferson County, Missouri

The race most likely to be in poverty in Jefferson County, Missouri is Black, with 27.30% below the poverty level.

The race least likely to be in poverty in Jefferson County, Missouri is Hispanic, with 7.61% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.89%. Among those working part-time, it was 11.78%, and for those that did not work, the poverty rate was 15.20%.

Jefferson County, Missouri Poverty

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Name Poverty
Less Than 9th Grade21.07%
High School8.71%
Some College6.94%
Bachelors or Greater2.74%

Jefferson County, Missouri Poverty Rate by Education

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Rate Poverty
Male Employed3.15%
Male Unemployed18.66%
Female Employed4.67%
Female Unemployed41.82%

Jefferson County, Missouri Poverty Rate by Employment Status and Sex

Jefferson County, Missouri Income by Household Type

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Name Median Mean
Households$67,606$79,372
Families$77,466$88,080
Married Families$86,898$98,097
Non Families$36,947$50,726
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Income by Household Type

Jefferson County, Missouri Marital Status

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Marriage Rates

54.2%

Overall Marriage Rate

55.4%

Male Marriage Rate

53.1%

Female Marriage Rate

Jefferson County, Missouri Married by Age and Sex

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Jefferson 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 45-54.

Jefferson County, Missouri Marital Status by Race

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Jefferson County, Missouri Marital Status

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15,167

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War2,670
First Gulf War2,896
Vietnam5,901
Korea697
World War II336

Jefferson County, Missouri Veterans by War

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Age Group Veterans
18 to 341,091
35 to 543,459
55 to 643,487
65 to 744,247
75+2,883

Jefferson County, Missouri Veterans by Age

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Name Veterans % of Total
White14,2438.69%
Black947.22%
Native American14729.40%
Islander1144.00%
2+ Races67213.50%
Hispanic1866.37%

Jefferson County, Missouri Veterans by Race

Jefferson County, Missouri Veterans by Education

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5.74%

Veteran Poverty Rate

27.75%

Veteran Disability Rate

Jefferson County, Missouri Veterans by Education

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66.3%

Labor Force Participation

63%

Employment Rate

4.8%

Unemployment Rate

Jefferson County, Missouri Employment by Age

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Jefferson County, Missouri Employment by Race

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Jefferson 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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79.84%

Born in Jefferson County, Missouri

98.10%

Native Born

1.90%

Foreign Born

0.59%

Non Citizen

1.31%

Naturalized

Place of Birth

98.10% of Jefferson County, Missouri residents were born in the United States, with 79.84% having been born in Missouri. 0.59% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Jefferson 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