Blue Island, IL Profile: Facts, Map & Data


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Blue Island, Illinois - Basic Facts

The City of Blue Island had a population of 23,799 as of July 1, 2015. Blue Island ranks in the upper quartile for Population Density and 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 Blue Island is located at latitude 41.6576 and longitude -87.6811 in Cook County. The formal boundaries for the City of Blue Island (see map below) encompass a land area of 4.07 sq. miles and a water area of 0.09 sq. miles. Cook County is in the Central time zone (GMT -6). The elevation is 640 feet.

The City of Blue Island (GNIS ID: 2394203) 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 Blue Island is located within Township of Worth, a minor civil division (MCD) of Cook County.

Beneath the boundary map are tables with Blue Island population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Alternate Unofficial Names for Blue Island: Portland.

Neighborhood Data

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City of Blue Island, IL Boundary Map

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Boundary Maps: Township of Worth | Cook County | Illinois Counties

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Blue Island, IL Data & Demographics (As of July 1, 2015)


Total Population 23,799
Population in Households 23,731
Population in Familes 19,723
Population in Group Qrtrs 68
Population Density1 5,846
Diversity Index2 87


Total Households 8,057
Average Household Size 2.95
Family Households 5,437
Average Family Size 4


Total Housing Units 8,961 (100%)
Owner Occupied HU 3,997 (44.6%)
Renter Occupied HU 4,059 (45.3%)
Vacant Housing Units 904 (10.1%)
Median Home Value $148,595
Average Home Value $161,299


Median Household Income $41,289
Average Household Income $52,075
Per Capita Income $17,655
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.07% 0.14%
Households 0.1% 0.17%
Families -0.05% 0.08%
Median Household Income   2.18%
Per Capita Income   2.43%
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.


Blue Island, IL - Peer Comparisons by Rank and Percentile

The table below compares Blue Island to the other 1,367 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2015 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 # 101 93rd
Population Density1 # 29 98th
Diversity Index2 # 3 100th
Median Household Income # 1098 20th
Per Capita Income # 1302 5th

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