LaSalle County IL Information


LaSalle County Subdivisions

LaSalle County IL Data & Demographics (As of July 1, 2017)


Total Population 113,039
Daytime Population: Workers 48,595
Daytime Population: Residents 57,917
Total Daytime Population (TDP) 106,512
Ratio TDP/Total Population1 0.94
Population in Households 109,461
Population in Familes 88,321
Population in Group Qrtrs 3,578
Population Density2 100
Diversity Index3 32


Median Household Income $52,942
Average Household Income $67,365
Per Capita Income $26,964


Total Housing Units 49,978 (100%)
Owner Occupied HU 32,288 (64.6%)
Renter Occupied HU 12,398 (24.8%)
Vacant Housing Units 5,292 (10.6%)
Median Home Value $138,681
Average Home Value $166,125


Total Households 44,686
Average Household Size 2.45
Family Households 29,321
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population -0.11% -0.39%
Households -0.2% -0.41%
Families -0.37% -0.52%
Median Household Income   1.3%
Per Capita Income   2.71%


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, 2017 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 Density # 25 76th
Diversity Index # 30 72nd
Median Household Income # 27 75th
Per Capita Income # 38 64th

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