Williamson County IL Information

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Williamson County Subdivisions

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

POPULATION

Total Population 68,389
Population in Households 66,147
Population in Familes 52,727
Population in Group Qrtrs 2,242
Population Density1 163
Diversity Index2 20
 

HOUSEHOLDS

Total Households 28,253
Average Household Size 2.34
Family Households 18,353
Average Family Size 3

HOUSING

Total Housing Units 31,482 (100%)
Owner Occupied HU 19,524 (62.0%)
Renter Occupied HU 8,729 (27.7%)
Vacant Housing Units 3,229 (10.3%)
Median Home Value $89,315
Average Home Value $116,772
 

INCOME

Median Household Income $42,305
Average Household Income $57,248
Per Capita Income $24,375
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2015 2015-2020
Population 0.48% 0.37%
Households 0.48% 0.43%
Families 0.31% 0.32%
Median Household Income   -1.59%
Per Capita Income   0.96%
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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Williamson County IL - Peer Comparisons by Rank and Percentile

The table below compares Williamson County to the other 102 counties and county equivalents 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 # 22 79th
Population Density1 # 20 81st
Diversity Index2 # 51 51st
Median Household Income # 77 25th
Per Capita Income # 61 41st

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