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 24,263 as of July 1, 2018. 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, 2018.

Alternate Unofficial Names for Blue Island: Portland.

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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, 2018)


Total Population 24,263
Population in Households 24,194
Population in Familes 20,184
Population in Group Qrtrs 69
Population Density2 5,960
Diversity Index3 88


Median Household Income $43,932
Average Household Income $57,993
Per Capita Income $19,562


Total Housing Units 8,929 (100%)
Owner Occupied HU 4,060 (45.5%)
Renter Occupied HU 4,090 (45.8%)
Vacant Housing Units 778 ( 8.7%)
Median Home Value $145,723
Average Home Value $166,191


Total Households 8,151
Average Household Size 2.97
Family Households 5,501
Average Family Size 4
  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 0.28% 0.11%
Households 0.21% 0.05%
Families 0.11% 0.02%
Median Household Income   1.76%
Per Capita Income   2.51%

Blue Island, IL - Peer Comparisons by Rank and Percentile

The table below compares Blue Island to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2018 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 # 99 93rd
Population Density # 28 98th
Diversity Index # 3 100th
Median Household Income # 1086 21st
Per Capita Income # 1304 5th

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

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