Affton, MO
Full City Profile · Missouri
4.4
/5.0
A
Great
20,035
Population
4,384/sq mi density
$77,337
Median Income
$43,832 per capita
$200,300
Home Value
$243,842 Zillow
$978
Median Rent
25.4% income on rent
57°F
Avg Temperature
A
Overall
4.4 / 5.0
Strong
A+
Economy
4.5 / 5.0
$77,337 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$200,300 home value, $978/mo rent
B+
Education
3.8 / 5.0
35.0% bachelor's degree or higher
Population Overview
Total Population
20,035
Census 2023
Population Density
4,384
per square mile
Land Area
4.6
square miles (11.9 km²)
Median Age
41.7 yrs
7% above US avg (38.9 yrs)
Gender Distribution
49.4%
Male
50.6%
Female
Race & Ethnicity
| White | 82.2% US: 61.6% |
| Black | 3.1% US: 12.4% |
| Hispanic | 5.9% US: 18.7% |
| Asian | 4.3% US: 5.9% |
| Other | 4.5% |
City vs. U.S. Average
White
82.2%
Black
3.1%
Hispanic
5.9%
Asian
4.3%
Thin line = U.S. average
Language Spoken at Home
| English Only | 83.1% US: 78.5% |
| Spanish | 15.2% US: 13.4% |
| Other Languages | 1.7% |
City vs. U.S. Average
English Only
83.1%
Spanish
15.2%
Thin line = U.S. average
Social Characteristics
Foreign Born
13.4%
Veterans
7.0%
17% above US avg (6%)
Disability
12.7%
2% below US avg (13%)
Health Insurance Coverage
95.2%
4% above US avg (91.4%)
Uninsured
4.8%
44% below US avg (8.6%)
Complete Demographics Data
Population
| Total Population | 20,035 |
| Population Year | 2023 |
| Population Density | 4,384 / sq mi |
| Land Area | 4.6 sq mi |
| Median Age | 41.7 years |
Gender
| Male | 49.4% |
| Female | 50.6% |
Race & Ethnicity
| White | 82.2% |
| Black or African American | 3.1% |
| Hispanic or Latino | 5.9% |
| Asian | 4.3% |
Language
| English Only | 83.1% |
| Spanish | 15.2% |
Social Indicators
| Foreign Born | 13.4% |
| Veterans | 7.0% |
| Disability | 12.7% |
| Health Insurance | 95.2% |
| Uninsured | 4.8% |
| Broadband Access | 91.0% |