Collinsville, IL Profile: Facts, Map & Data


Collinsville Local Links & Resources:
Hotels | Resources | ALL Collinsville Content

Also See: Collinsville, IL ZIP Codes & ZIP Code Maps | Local Area Photos

Collinsville, Illinois - Basic Facts

The City of Collinsville had a population of 25,224 as of July 1, 2016. Collinsville 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 Collinsville is located at latitude 38.6768 and longitude -90.0058 in Madison County. The formal boundaries for the City of Collinsville (see map below) encompass a land area of 14.64 sq. miles and a water area of 0.19 sq. miles. Madison County is in the Central time zone (GMT -6). The elevation is 561 feet.

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

The City of Collinsville (GNIS ID: 2393598) 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 Collinsville is located within Township of Collinsville, a minor civil division (MCD) of Madison County.

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

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Collinsville, IL Boundary Map

Also See: BIG Map | Driving Directions | IL Congressional Districts
Boundary Maps: Township of Collinsville | Madison County | Illinois Counties

Search the map for:

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


Total Population 25,224
Population in Households 25,158
Population in Familes 19,320
Population in Group Qrtrs 66
Population Density1 1,723
Diversity Index2 36


Total Households 10,806
Average Household Size 2.33
Family Households 6,638
Average Family Size 3


Total Housing Units 11,979 (100%)
Owner Occupied HU 6,811 (56.9%)
Renter Occupied HU 3,994 (33.3%)
Vacant Housing Units 1,173 ( 9.8%)
Median Home Value $121,844
Average Home Value $133,846


Median Household Income $48,740
Average Household Income $61,651
Per Capita Income $26,490
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.22% -0.15%
Households -0.18% -0.11%
Families -0.34% -0.24%
Median Household Income   0.07%
Per Capita Income   1.21%
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.

Collinsville, IL - Peer Comparisons by Rank and Percentile

The table below compares Collinsville 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 # 94 93rd
Population Density1 # 385 72nd
Diversity Index2 # 282 79th
Median Household Income # 828 40th
Per Capita Income # 606 56th

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

Illinois Research Tools

Illinois Census Data Comparison Tool

Compare Illinois Census Data
Highest or Lowest: