Shelby County, IL — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
20,867
Male
10,381
49.7%
Female
10,486
50.3%
Median Age
45.5 yrs
Avg Household Size
2.4
Foreign Born
1.3%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher12.7%
High School or Higher43.4%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
7.6%
Disability
0.0%
Non-English Home
4.0%
Married
47.9%
Shelby County, IL has a population of 20,867 according to 2023 Census Bureau estimates. The median age is 45.5 years. The largest racial or ethnic group is White at 96.8% of the population. 12.7% of residents hold a bachelor's degree or higher. 1.3% of residents are foreign-born.