Affton, Missouri Population 2022

20,148
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Affton is a city located in Missouri. Affton has a 2020 population of 20,148. Affton is currently declining at a rate of 0.00% annually and its population has decreased by -0.78% since the most recent census, which recorded a population of 20,307 in 2010.

The average household income in Affton is $71,240 with a poverty rate of 10.46%. The median rental costs in recent years comes to $885 per month, and the median house value is $149,300. The median age in Affton is 41.8 years, 38.9 years for males, and 45 years for females.

Affton Demographics

According to the most recent ACS, the racial composition of Afftonwas:

  • White: 88.35%
  • Black or African American: 4.40%
  • Asian: 3.14%
  • Two or more races: 2.77%
  • Other race: 1.17%
  • Native American: 0.12%
  • Native Hawaiian or Pacific Islander: 0.04%
The current population of Affton, Missouri is 20,148 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 20,148.The last official US Census in 2010 recorded the population at 20,307.

Affton, Missouri Population 2022

Population by Race

Race Population Percentage
White17,80188.35%
Black or African American8874.40%
Asian6323.14%
Two or More Races5592.77%
Some Other Race2361.17%
American Indian and Alaska Native240.12%
Native Hawaiian and Other Pacific Islander90.04%
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Affton Population by Race

Affton Population Pyramid $2022

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Affton Median Age

41.8


Total

38.9


Male

45


Female

Affton Adults

There are 16,587 adults, (3,642 of whom are seniors) in Affton.

Affton Age Dependency

Age Dependency Ratio

28.1

Old Age Dependency Ratio

27.5

Child Dependency Ratio

Affton Sex Ratio

Female

10,262

50.93%

Male

9,886

49.07%

Affton Population by Age

Affton Renter vs Owner Occupied by Household Type

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Affton Household Types

Type Owner Renter
Female57.4%42.6%
Non Family63.8%36.2%
Male72.3%27.7%
All74.6%25.4%
Married89.2%10.8%

74.6%

Rate of Home Ownership

Affton Households and Families

Type Count Average Size Owned
All8,9582.2574.6
Married3,8843.0789.2
Non Family3,7861.1863.8
Female8332.8657.4
Male4553.0272.3

2.94

Average Family Size

2.25

Average Household Size

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Affton Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3932.68%
9th to 12th Grade7935.41%
High School Graduate3,88026.49%
Some College3,30322.55%
Associates Degree1,63611.17%
Bachelors Degree3,16121.58%
Graduate Degree1,48110.11%
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Affton Educational Attainment by Sex (over 25)

Affton Educational Attainment by Race

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Race Total High School Bachelors
White13,16212,1184,141
Black610502155
Asian374356172
Hispanic302286141
2+ Races19019033
Other Race818151
Islander99

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 62.96%.

Affton Educational Attainment by Race

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Name Average Male Female
Overall$42,202$46,653$37,059
Less Than 9th Grade$26,618$33,618$
High School Graduate$30,737$42,729$20,332
Some College$40,000$45,771$36,304
Bachelors Degree$50,719$51,109$49,904
Graduate Degree$58,259$59,960$56,536

$42,202

Average Earnings

$46,653

Average Male

$37,059

Average Female

Affton Earnings by Educational Attainment

Affton Language by Age

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Affton Language

84.60% of Affton residents speak only English, while 15.40% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 8.85% of the population.

Affton Language

Affton Poverty by Race

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Name Total In Poverty Poverty Rate
White17,3801,6279.36%
Black88734338.67%
Hispanic6246911.06%
Other68NaN%
Multiple5596611.81%

10.46%

Overall Poverty Rate

8.23%

Male Poverty Rate

12.61%

Female Poverty Rate

Poverty in Affton

The race most likely to be in poverty in Affton is Black, with 38.67% below the poverty level.

The race least likely to be in poverty in Affton is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.82%. Among those working part-time, it was 15.56%, and for those that did not work, the poverty rate was 17.25%.

Affton Poverty

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Name Poverty
Less Than 9th Grade25.80%
High School12.60%
Some College7.31%
Bachelors or Greater2.97%

Affton Poverty Rate by Education

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Rate Poverty
Female Unemployed18.95%
Male Unemployed11.15%
Female Employed7.68%
Male Employed3.50%

Affton Poverty Rate by Employment Status and Sex

Affton Income by Household Type

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Name Median Mean
Households$60,969$71,240
Families$81,652$86,592
Married Families$87,174-
Non Families$41,572$47,470
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Income by Household Type

Affton Marital Status

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Marriage Rates

48.6%

Overall Marriage Rate

51.3%

Male Marriage Rate

46.1%

Female Marriage Rate

Affton Married by Age and Sex

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Affton Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Affton Marital Status by Race

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Affton Marital Status

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1,275

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Vietnam369
First Gulf War298
Second Gulf War262
Korea176
World War II59

Affton Veterans by War

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Age Group Veterans
75+361
35 to 54326
65 to 74283
55 to 64189
18 to 34116

Affton Veterans by Age

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Name Veterans % of Total
White1,0627.06%
Black13319.19%
2+ Races6327.04%
Asian173.53%

Affton Veterans by Race

Affton Veterans by Education

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9.18%

Veteran Poverty Rate

33.10%

Veteran Disability Rate

Affton Veterans by Education

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69.1%

Labor Force Participation

66.3%

Employment Rate

4.1%

Unemployment Rate

Affton Employment by Age

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Affton Employment by Race

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Affton 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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69.67%

Born in Affton

88.05%

Native Born

11.95%

Foreign Born

3.74%

Non Citizen

8.20%

Naturalized

Place of Birth

88.05% of Affton residents were born in the United States, with 69.67% having been born in Missouri. 3.74% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Affton Place of Birth

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
202220,1480.00%
202120,1480.00%
202020,1480.00%
201920,148-39-0.19%
201820,187-1,517-6.99%
201721,704-356-1.61%
201622,0607153.35%
201521,345-13-0.06%
201421,358-1-0.00%
201321,3591,4147.09%
201219,945-151-0.75%
201120,096-211-1.04%
201020,3070.00%

Affton Population by Year