Franklin County IL Information


Franklin County Subdivisions

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


Total Population 39,659
Population in Households 39,142
Population in Familes 31,298
Population in Group Qrtrs 517
Population Density1 97
Diversity Index2 10


Total Households 16,667
Average Household Size 2.35
Family Households 10,840
Average Family Size 3


Total Housing Units 18,750 (100%)
Owner Occupied HU 12,120 (64.6%)
Renter Occupied HU 4,547 (24.3%)
Vacant Housing Units 2,083 (11.1%)
Median Home Value $75,502
Average Home Value $90,340


Median Household Income $36,406
Average Household Income $47,725
Per Capita Income $20,086
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.05% 0.05%
Households 0.06% 0.04%
Families -0.13% -0.09%
Median Household Income   2.18%
Per Capita Income   2.46%
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.


Franklin County IL - Peer Comparisons by Rank and Percentile

The table below compares Franklin 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 # 35 67th
Population Density1 # 26 75th
Diversity Index2 # 78 25th
Median Household Income # 98 5th
Per Capita Income # 98 5th

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