Jo Daviess County IL Information


Jo Daviess County Subdivisions

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


Total Population 23,036
Daytime Population: Workers 9,336
Daytime Population: Residents 11,323
Total Daytime Population (TDP) 20,659
Ratio TDP/Total Population1 0.90
Population in Households 22,869
Population in Familes 18,452
Population in Group Qrtrs 167
Population Density2 38
Diversity Index3 13


Median Household Income $54,805
Average Household Income $69,145
Per Capita Income $29,655


Total Housing Units 14,155 (100%)
Owner Occupied HU 7,624 (53.9%)
Renter Occupied HU 2,235 (15.8%)
Vacant Housing Units 4,296 (30.3%)
Median Home Value $158,935
Average Home Value $214,923


Total Households 9,859
Average Household Size 2.32
Family Households 6,506
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 0.22% 0.24%
Households 0.15% 0.2%
Families -0.02% 0.09%
Median Household Income   1.31%
Per Capita Income   2.4%


Jo Daviess County IL - Peer Comparisons by Rank and Percentile

The table below compares Jo Daviess 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 # 53 49th
Population Density # 65 37th
Diversity Index # 67 35th
Median Household Income # 22 79th
Per Capita Income # 17 84th

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