Gilman, IL Profile: Facts, Map & Data


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Gilman, Illinois - Basic Facts

The City of Gilman had a population of 1,708 as of July 1, 2017. Gilman 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 Gilman is located at latitude 40.7723 and longitude -87.9844 in Iroquois County. The formal boundaries for the City of Gilman (see map below) encompass a land area of 2.25 sq. miles and a water area of 0.02 sq. miles. Iroquois County is in the Central time zone (GMT -6). The elevation is 650 feet.

The City of Gilman (GNIS ID: 2394898) 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 Gilman is located within Township of Douglas, a minor civil division (MCD) of Iroquois County.

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

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City of Gilman, IL Boundary Map

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Boundary Maps: Township of Douglas | Iroquois County | Illinois Counties

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


Total Population 1,708
Daytime Population: Workers 869
Daytime Population: Residents 960
Total Daytime Population (TDP) 1,829
Ratio TDP/Total Population1 1.07
Population in Households 1,671
Population in Familes 1,357
Population in Group Qrtrs 37
Population Density2 760
Diversity Index3 55


Median Household Income $47,805
Average Household Income $62,241
Per Capita Income $25,244


Total Housing Units 794 (100%)
Owner Occupied HU 495 (62.3%)
Renter Occupied HU 195 (24.6%)
Vacant Housing Units 104 (13.1%)
Median Home Value $105,435
Average Home Value $132,020


Total Households 690
Average Household Size 2.42
Family Households 459
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 -0.83% -0.87%
Households -0.79% -0.86%
Families -0.5% -0.98%
Median Household Income   1.64%
Per Capita Income   2.76%

Gilman, IL - Peer Comparisons by Rank and Percentile

The table below compares Gilman 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 # 551 60th
Population Density # 909 34th
Diversity Index # 151 89th
Median Household Income # 915 33rd
Per Capita Income # 831 39th

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

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