Franklin County, IL — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
37,541
Male
18,687
49.8%
Female
18,854
50.2%
Median Age
43.4 yrs
Avg Household Size
2.3
Foreign Born
1.1%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher12.1%
High School or Higher35.0%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.6%
Disability
0.0%
Non-English Home
7.6%
Married
42.5%
Franklin County, IL has a population of 37,541 according to 2023 Census Bureau estimates. The median age is 43.4 years. The largest racial or ethnic group is White at 94.8% of the population. 12.1% of residents hold a bachelor's degree or higher. 1.1% of residents are foreign-born.