Cook County IL Information

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Cook County Subdivisions

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

POPULATION

Total Population 5,313,828
Daytime Population: Workers 2,741,334
Daytime Population: Residents 2,766,965
Total Daytime Population (TDP) 5,508,299
Ratio TDP/Total Population1 1.04
Population in Households 5,223,233
Population in Familes 4,103,669
Population in Group Qrtrs 90,595
Population Density2 5,621
Diversity Index3 78
 

INCOME

Median Household Income $57,978
Average Household Income $86,287
Per Capita Income $33,208

HOUSING

Total Housing Units 2,227,236 (100%)
Owner Occupied HU 1,110,534 (49.9%)
Renter Occupied HU 904,447 (40.6%)
Vacant Housing Units 212,255 ( 9.5%)
Median Home Value $247,591
Average Home Value $318,665
 

HOUSEHOLDS

Total Households 2,014,981
Average Household Size 2.59
Family Households 1,224,283
Average Family Size 3
NOTES
  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.

GROWTH RATE / YEAR

2010-2017 2017-2022
Population 0.31% 0.24%
Households 0.34% 0.26%
Families 0.15% 0.13%
Median Household Income   2.09%
Per Capita Income   2.5%

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Cook County IL - Peer Comparisons by Rank and Percentile

The table below compares Cook County to the other 102 counties and county equivalents 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 # 1 100th
Population Density # 1 100th
Diversity Index # 1 100th
Median Household Income # 15 86th
Per Capita Income # 7 94th

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

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