Fairmont City, IL Profile: Facts & Data


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Fairmont City, Illinois - Basic Facts

The Village of Fairmont City had a population of 2,689 as of July 1, 2018. Fairmont City ranks in the lower quartile for Population Density and 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 Fairmont City is located at latitude 38.6498 and longitude -90.0932 in St. Clair County. The formal boundaries for the Village of Fairmont City (see map below) encompass a land area of 6.03 sq. miles and a water area of 0.35 sq. miles. St. Clair County is in the Central time zone (GMT -6). The elevation is 420 feet.

While the primary coordinates for Village of Fairmont City are located in St. Clair County, it should be noted that the formal boundaries for this community also extend into and Madison County.

The Village of Fairmont City (GNIS ID: 2398855) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Fairmont City is located within Township of Canteen, a minor civil division (MCD) of St. Clair County.

Alternate Unofficial Names for Fairmont City: Fairmount City, Willow Town.

Jump to... (On This Page!)
  1. Fairmont City 2018 Demographic Data
  2. Growth Rates for Fairmont City (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois 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.


Fairmont City, IL Data & Demographics (As of July 1, 2018)


Total Population 2,689
Population in Households 2,689
Population in Familes 2,248
Population in Group Qrtrs 0
Population Density2 446
Diversity Index3 84


Median Household Income $33,656
Average Household Income $42,882
Per Capita Income $12,664


Total Housing Units 886 (100%)
Owner Occupied HU 547 (61.7%)
Renter Occupied HU 238 (26.9%)
Vacant Housing Units 101 (11.4%)
Median Home Value $65,066
Average Home Value $93,636


Total Households 785
Average Household Size 3.43
Family Households 552
Average Family Size 4
  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.


2010-2018 2018-2023
Population 0.27% -0.13%
Households -0.14% -0.23%
Families -0.39% -0.4%
Median Household Income   1.01%
Per Capita Income   1.89%

Fairmont City, IL - Peer Comparisons by Rank and Percentile

The table below compares Fairmont City to the other 1,368 incorporated cities, towns and CDPs in Illinois 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 # 455 67th
Population Density # 1112 19th
Diversity Index # 6 100th
Median Household Income # 1328 3rd
Per Capita Income # 1363 0th

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

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