Jo Daviess County, IL — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
21,918
Male
11,035
50.3%
Female
10,883
49.7%
Median Age
50.9 yrs
Avg Household Size
2.1
Foreign Born
1.5%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher21.7%
High School or Higher45.6%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.8%
Disability
0.0%
Non-English Home
5.0%
Married
52.3%
Jo Daviess County, IL has a population of 21,918 according to 2023 Census Bureau estimates. The median age is 50.9 years. The largest racial or ethnic group is White at 94.0% of the population. 21.7% of residents hold a bachelor's degree or higher. 1.5% of residents are foreign-born.