In 2023, Jo Daviess County, IL had a population of 21.9k people with a median age of 50.9 and a median household income of $74,954. Between 2022 and 2023 the population of Jo Daviess County, IL declined from 21,942 to 21,918, a −0.109% decrease and its median household income grew from $67,729 to $74,954, a 10.7% increase.
The 5 largest ethnic groups in Jo Daviess County, IL are White (Non-Hispanic) (92.2%), Two+ (Non-Hispanic) (1.89%), White (Hispanic) (1.81%), Two+ (Hispanic) (1.56%), and Black or African American (Non-Hispanic) (0.826%).
None of the households in Jo Daviess County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.5% of the residents in Jo Daviess County, IL are U.S. citizens.
In 2023, the median property value in Jo Daviess County, IL was $193,900, and the homeownership rate was 81.8%.
Most people in Jo Daviess County, IL drove alone to work, and the average commute time was 21.3 minutes. The average car ownership in Jo Daviess County, IL was 2 cars per household.
Jo Daviess County, IL borders Carroll County, IL, Stephenson County, IL, Dubuque County, IA, Jackson County, IA, Grant County, WI, and Lafayette County, WI.