Illinois Census Data

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Illinois Census Data

Each Community Profile, ZIP Code Profile and County includes Demographic Data for:

  1. Population (6 subcatagories)
  2. Housing (6 subcatagories)
  3. Households (4 subcatagories)
  4. Income (3 subcatagories)
  5. Peer Comparison by Rank and Percentile (5 subcatagories)
  6. Anticipated Growth Rates for the Next 5 Years (5 subcatagories)
Be sure to try our VERY EASY TO USE Illinois Census Data Comparison Tool that allows you to compare and rank key demographic data 60 different ways!

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Illinois Data & Demographics (As of July 1, 2014)

POPULATION

Total Population 12,914,651
Population in Households 12,615,307
Population in Familes 10,212,742
Population in Group Qrtrs 299,344
Population Density1 233
Diversity Index2 62
 

HOUSEHOLDS

Total Households 4,889,378
Average Household Size 2.58
Family Households 3,195,200
Average Family Size 3

HOUSING

Total Housing Units 5,366,647 (100%)
Owner Occupied HU 3,206,717 (59.8%)
Renter Occupied HU 1,682,661 (31.4%)
Vacant Housing Units 477,269 ( 8.9%)
Median Home Value $194,032
Average Home Value $241,970
 

INCOME

Median Household Income $55,527
Average Household Income $77,022
Per Capita Income $29,425
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2014 2014-2019
Population 0.15% 0.21%
Households 0.25% 0.26%
Families 0.09% 0.16%
Median Household Income   2.86%
Per Capita Income   3.02%
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.

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Information Updates

The Demographic Data for the 4,528 Illinois cities, towns, counties, ZIP Codes and Census Designated Places (CDPs) profiled in this gazetteer is updated annually. Last Update: July 1, 2014.

The ZIP Code maps and the data regarding the number of residential and business addresses in each ZIP Code are updated four times per year. Last Update: November 1, 2014.

The information on the 62,977 Illinois Physical, Cultural and Historic Features is updated six times per year. Last Update: December 2, 2014.

The School Attendance Zone Maps for 3,955 Illinois public schools are updated four times per year. Last Update: October 6, 2014.