Summerfield, IL Profile: Facts, Map & Data


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Summerfield, Illinois - Basic Facts

The Village of Summerfield had a population of 439 as of July 1, 2017.

The primary coordinate point for Summerfield is located at latitude 38.5955 and longitude -89.7496 in St. Clair County. The formal boundaries for the Village of Summerfield (see map below) encompass a land area of 0.5 sq. miles and a water area of 0 sq. miles. St. Clair County is in the Central time zone (GMT -6). The elevation is 479 feet.

The Village of Summerfield (GNIS ID: 2399929) 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 Summerfield is located within Township of Lebanon, a minor civil division (MCD) of St. Clair County.

Beneath the boundary map are tables with Summerfield population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

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Village of Summerfield, IL Boundary Map

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Boundary Maps: Township of Lebanon | St. Clair County | Illinois Counties

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Summerfield, IL Data & Demographics (As of July 1, 2017)


Total Population 439
Daytime Population: Workers 75
Daytime Population: Residents 178
Total Daytime Population (TDP) 253
Ratio TDP/Total Population1 0.58
Population in Households 439
Population in Familes 377
Population in Group Qrtrs 0
Population Density2 886
Diversity Index3 18


Median Household Income $51,740
Average Household Income $60,089
Per Capita Income $22,267


Total Housing Units 184 (100%)
Owner Occupied HU 124 (67.4%)
Renter Occupied HU 38 (20.7%)
Vacant Housing Units 22 (12.0%)
Median Home Value $105,882
Average Home Value $127,823


Total Households 162
Average Household Size 2.71
Family Households 123
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population -0.16% -0.32%
Households -0.08% -0.37%
Families 0.69% -0.33%
Median Household Income   0.4%
Per Capita Income   1.94%

Summerfield, IL - Peer Comparisons by Rank and Percentile

The table below compares Summerfield to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2017 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 # 984 28th
Population Density # 826 40th
Diversity Index # 514 62nd
Median Household Income # 761 44th
Per Capita Income # 1117 18th

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

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