Affton, MO Profile: Facts & Data

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Affton, Missouri - Basic Facts

The Affton Census Designated Place had a population of 22,090 as of July 1, 2018. Affton ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Missouri. See peer rankings below.

The primary coordinate point for Affton is located at latitude 38.5494 and longitude -90.3256 in St. Louis County. The formal boundaries for the Affton Census Designated Place (see map below) encompass a land area of 4.78 sq. miles and a water area of 0 sq. miles. St. Louis County is in the Central time zone (GMT -6). The elevation is 620 feet.

The Affton Census Designated Place (GNIS ID: 2393314) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Affton Census Designated Place is located within Township of Concord, a minor civil division (MCD) of St. Louis County.


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  1. Affton 2018 Demographic Data
  2. Growth Rates for Affton (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Missouri Research Tools (Easy Tools & Current Data)
  3. Missouri Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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Affton, MO Data & Demographics (As of July 1, 2018)

POPULATION

Total Population 22,090
Population in Households 22,089
Population in Familes 16,622
Population in Group Qrtrs 1
Population Density2 4,626
Diversity Index3 19
 

INCOME

Median Household Income $57,120
Average Household Income $70,751
Per Capita Income $31,098

HOUSING

Total Housing Units 10,194 (100%)
Owner Occupied HU 6,954 (68.2%)
Renter Occupied HU 2,684 (26.3%)
Vacant Housing Units 556 ( 5.5%)
Median Home Value $155,413
Average Home Value $172,685
 

HOUSEHOLDS

Total Households 9,638
Average Household Size 2.29
Family Households 5,615
Average Family Size 3
NOTES
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.

GROWTH RATE / YEAR

2010-2018 2018-2023
Population 0.25% 0.2%
Households 0.16% 0.14%
Families -0.26% 0.05%
Median Household Income   2.42%
Per Capita Income   2.77%

Affton, MO - Peer Comparisons by Rank and Percentile

The table below compares Affton to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 32 97th
Population Density # 33 97th
Diversity Index # 313 70th
Median Household Income # 223 78th
Per Capita Income # 143 86th

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.

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