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CITY · 1990 CENSUS

Affton

Missouri · 21,105 residents · 4.57 sq mi
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The short version

Affton has roughly average household income, with a median household income of $32,860. Population has held roughly steady since 2000. Median home value is $74,400. With a median age of 38.4, the population is older than the US median of 33.0. Poverty is rare here, at 3.4% of residents.

At a glance
Wealthier
above the US median
US median: $30,130
Older
median age 38.4
US median: 33.0
Average education
18% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

21,105
+3%vs 2000
vs 20,535 in 2000
1990 – 2024
4,618 / sq mi
+3%vs 2000
vs 4,493 / sq mi in 2000
US average: 221
38.4
−4%vs 2000
vs 39.9 in 2000
US average: 33.0
Population, 19902024
19K20K20K21K22K1990201020202024Affton
202419K
1990201020202024
Section 02

Income & economy

$32,860
Unchangedinflation adjusted, since 2000
vs $43,327 in 2000
US average: $30,130
1990 – 2024
$15,416
−30%vs 2000
vs $22,059 in 2000
US average: $14,340
3.4%
−0.2 ptsvs 2000
vs 3.6% in 2000
US average: 13.2%
Section 03

Housing

$74,400
+1%inflation adjusted, since 2000
vs $97,000 in 2000
US average: $93,722
1990 – 2024
$433
+10%inflation adjusted, since 2000
vs $518 in 2000
US average: $450
80.9%
+0.8 ptsvs 2000
vs 80.2% in 2000
19.1% rent
2.3
+1%vs 2000
vs 2.2 in 2000
1990 – 2024
RELATED:See current rent listings in Affton on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic95.9%(19,686)
Black0.5%(93)
Hispanic / Latino1%(207)
Asian1.3%(265)
Other0%
Diversity Score6.8%(1,405)
1990
White, non-Hispanic99.2%(20,939)
Black0.1%(28)
Hispanic / Latino0.6%(119)
Asian0.3%(70)
Other0.3%(68)
Diversity Score3.3%(702)
3
−51%vs 2000
vs 7 in 2000
1990 – 2024
Section 05

Education

18.2%
−3.1 ptsvs 2000
vs 21.3% in 2000
US average: 20.3%
High school or higher
75.5%
−8.3 ptsvs 2000
vs 83.8% in 2000
US average: 75.2%
5.1%
−1.4 ptsvs 2000
vs 6.5% in 2000
US average: 7.1%
Section 06

Commute & transportation

21.0 min
+52%vs 2000
vs 13.8 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Affton, Missouri?

Affton, Missouri has about 21,105 residents according to the 1990 Census.

What is the median household income in Affton, Missouri?

The typical household in Affton, Missouri earns about $32,860 a year. Half of households make more than that, and half make less.

Is Affton, Missouri expensive?

In Affton, Missouri, the median home is worth about $74,400, and the typical rent is about $433 a month.

How educated are people in Affton, Missouri?

About 18.2% of adults age 25 and over in Affton, Missouri hold a bachelor's degree or higher.

What is the poverty rate in Affton, Missouri?

About 3.4% of people in Affton, Missouri live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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