Lake County IL Information


Lake County Subdivisions

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


Total Population 709,599
Daytime Population: Workers 388,081
Daytime Population: Residents 341,760
Total Daytime Population (TDP) 729,841
Ratio TDP/Total Population1 1.03
Population in Households 691,625
Population in Familes 597,950
Population in Group Qrtrs 17,974
Population Density2 1,599
Diversity Index3 65


Median Household Income $85,415
Average Household Income $121,505
Per Capita Income $42,770


Total Housing Units 265,479 (100%)
Owner Occupied HU 183,328 (69.1%)
Renter Occupied HU 62,703 (23.6%)
Vacant Housing Units 19,448 ( 7.3%)
Median Home Value $275,907
Average Home Value $374,649


Total Households 246,031
Average Household Size 2.81
Family Households 180,930
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 0.12% 0.2%
Households 0.24% 0.25%
Families 0.12% 0.16%
Median Household Income   1.98%
Per Capita Income   2.06%


Lake County IL - Peer Comparisons by Rank and Percentile

The table below compares Lake 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 # 3 98th
Population Density # 3 98th
Diversity Index # 3 98th
Median Household Income # 2 99th
Per Capita Income # 1 100th

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