Boone County IL Information


Boone County Subdivisions

Boone County IL Data & Demographics (As of July 1, 2015)


Total Population 55,283
Population in Households 54,973
Population in Familes 48,156
Population in Group Qrtrs 310
Population Density1 197
Diversity Index2 53


Total Households 18,846
Average Household Size 2.92
Family Households 14,442
Average Family Size 3


Total Housing Units 20,306 (100%)
Owner Occupied HU 14,820 (73.0%)
Renter Occupied HU 4,026 (19.8%)
Vacant Housing Units 1,460 ( 7.2%)
Median Home Value $123,764
Average Home Value $143,499


Median Household Income $67,282
Average Household Income $84,454
Per Capita Income $28,864
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.39% 0.86%
Households 0.35% 0.82%
Families 0.22% 0.74%
Median Household Income   2.79%
Per Capita Income   2.09%
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.


Boone County IL - Peer Comparisons by Rank and Percentile

The table below compares Boone County to the other 102 counties and county equivalents 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 # 26 75th
Population Density1 # 16 85th
Diversity Index2 # 9 92nd
Median Household Income # 10 91st
Per Capita Income # 17 84th

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