Granite City, IL Profile: Facts, Map & Data


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Granite City, Illinois - Basic Facts

The City of Granite City had a population of 28,907 as of July 1, 2016. Granite City 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 Granite City is located at latitude 38.7293 and longitude -90.1255 in Madison County. The formal boundaries for the City of Granite City (see map below) encompass a land area of 19.35 sq. miles and a water area of 1.42 sq. miles. Madison County is in the Central time zone (GMT -6). The elevation is 423 feet.

The City of Granite City (GNIS ID: 2394961) 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 Granite City is located within Township of Granite City, a minor civil division (MCD) of Madison County.

Beneath the boundary map are tables with Granite City population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Granite City: Kinder.

Neighborhood Data

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City of Granite City, IL Boundary Map

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Boundary Maps: Township of Granite City | Madison County | Illinois Counties

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Granite City, IL Data & Demographics (As of July 1, 2016)


Total Population 28,907
Population in Households 28,659
Population in Familes 22,391
Population in Group Qrtrs 248
Population Density1 1,494
Diversity Index2 33


Total Households 11,857
Average Household Size 2.42
Family Households 7,466
Average Family Size 3


Total Housing Units 13,667 (100%)
Owner Occupied HU 7,983 (58.4%)
Renter Occupied HU 3,874 (28.3%)
Vacant Housing Units 1,810 (13.2%)
Median Home Value $80,713
Average Home Value $88,917


Median Household Income $40,759
Average Household Income $51,347
Per Capita Income $21,372
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.51% -0.27%
Households -0.47% -0.25%
Families -0.68% -0.38%
Median Household Income   -1.18%
Per Capita Income   0.85%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Granite City, IL - Peer Comparisons by Rank and Percentile

The table below compares Granite City to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2016 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 # 72 95th
Population Density1 # 475 65th
Diversity Index2 # 331 76th
Median Household Income # 1105 19th
Per Capita Income # 1113 19th

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