Monroe County, IL — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
34,969
Male
17,612
50.4%
Female
17,357
49.6%
Median Age
42.5 yrs
Avg Household Size
2.5
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 Higher27.2%
High School or Higher44.5%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.6%
Disability
0.0%
Non-English Home
3.0%
Married
49.1%
Monroe County, IL has a population of 34,969 according to 2023 Census Bureau estimates. The median age is 42.5 years. The largest racial or ethnic group is White at 96.1% of the population. 27.2% of residents hold a bachelor's degree or higher. 1.1% of residents are foreign-born.