LaSalle County IL Information


LaSalle County Subdivisions

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


Total Population 113,405
Population in Households 110,455
Population in Familes 89,148
Population in Group Qrtrs 2,950
Population Density1 100
Diversity Index2 30


Total Households 45,070
Average Household Size 2.45
Family Households 29,626
Average Family Size 3


Total Housing Units 50,507 (100%)
Owner Occupied HU 32,709 (64.8%)
Renter Occupied HU 12,361 (24.5%)
Vacant Housing Units 5,437 (10.8%)
Median Home Value $138,275
Average Home Value $168,515


Median Household Income $52,410
Average Household Income $65,495
Per Capita Income $26,304
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.07% -0.2%
Households -0.1% -0.22%
Families -0.26% -0.33%
Median Household Income   1.24%
Per Capita Income   1.59%
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.


LaSalle County IL - Peer Comparisons by Rank and Percentile

The table below compares LaSalle 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 # 17 84th
Population Density1 # 25 76th
Diversity Index2 # 32 70th
Median Household Income # 25 76th
Per Capita Income # 35 67th

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