Scott AFB CDP, IL Profile: Facts & Data


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Scott AFB CDP, Illinois - Basic Facts

The Scott Air Force Base Census Designated Place had a population of 3,421 as of July 1, 2020. Scott AFB CDP ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Scott AFB CDP is located at latitude 38.5413 and longitude -89.8528 in St. Clair County. The formal boundaries for the Scott Air Force Base Census Designated Place encompass a land area of 4.32 sq. miles and a water area of 0.03 sq. miles.

The Scott Air Force Base Census Designated Place (GNIS ID: 2393227) has a M2 Census Class Code which indicates a military or other defense installation entirely within a census designated place. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Scott Air Force Base Census Designated Place is located within Township of Shiloh Valley, a minor civil division (MCD) of St. Clair County.

Alternate Unofficial Names for Scott AFB CDP: Scott AFB Census Designated Place, Scott Air Force Base CDP.


Scott AFB CDP, IL Data & Demographics (As of July 1, 2020)


Total Population 3,421 (100%)
Population in Households 3,212 (93.9%)
Population in Families 3,068 (89.7%)
Population in Group Quarters1 209 ( 6.1%)
Population Density 792
Diversity Index2 58


Median Household Income $76,021
Average Household Income $85,993
% of Income for Mortgage4 0%
Per Capita Income $25,744
Wealth Index5 51


Total HU (Housing Units) 1,239 (100%)
Owner Occupied HU 5 ( 0.4%)
Renter Occupied HU 1,071 (86.4%)
Vacant Housing Units 163 (13.2%)
Median Home Value $0
Average Home Value $0
Housing Affordability Index3 0


Total Households 1,076
Average Household Size 2.99
Family Households 959
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population -0.53% -0.61%
Households -0.35% -0.53%
Families -0.26% -0.57%
Median Household Income   1.31%
Per Capita Income   2.2%
Owner Occupied HU   0.0%


Scott AFB CDP, IL - Peer Comparisons by Rank and Percentile

The table below compares Scott AFB CDP to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2020 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 # 412 70th
Population Density # 875 36th
Median Household Income # 276 80th
Housing Affordability Index # 90 7th
Per Capita Income # 981 28th
Diversity Index # 141 90th

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

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