Fairfield, IL Profile: Facts & Data


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Fairfield, Illinois - Basic Facts

The City of Fairfield had a population of 5,013 as of July 1, 2018.

The primary coordinate point for Fairfield is located at latitude 38.3792 and longitude -88.3708 in Wayne County. The formal boundaries for the City of Fairfield (see map below) encompass a land area of 4.04 sq. miles and a water area of 0.03 sq. miles. Wayne County is in the Central time zone (GMT -6). The elevation is 440 feet.

The City of Fairfield (GNIS ID: 2394732) 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 City of Fairfield is located within Township of Big Mound, a minor civil division (MCD) of Wayne County.

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  1. Fairfield 2018 Demographic Data
  2. Growth Rates for Fairfield (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.


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


Total Population 5,013
Population in Households 4,975
Population in Familes 3,803
Population in Group Qrtrs 38
Population Density2 1,241
Diversity Index3 11


Median Household Income $37,808
Average Household Income $50,904
Per Capita Income $23,945


Total Housing Units 2,663 (100%)
Owner Occupied HU 1,673 (62.8%)
Renter Occupied HU 702 (26.4%)
Vacant Housing Units 288 (10.8%)
Median Home Value $73,611
Average Home Value $93,395


Total Households 2,375
Average Household Size 2.09
Family Households 1,377
Average Family Size 3
  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 -0.34% -0.33%
Households -0.3% -0.32%
Families -0.37% -0.48%
Median Household Income   0.79%
Per Capita Income   1.73%

Fairfield, IL - Peer Comparisons by Rank and Percentile

The table below compares Fairfield 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 # 337 75th
Population Density # 604 56th
Diversity Index # 813 41st
Median Household Income # 1270 7th
Per Capita Income # 1042 24th

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

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