McDonough County, IL — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
27,102
Male
13,352
49.3%
Female
13,750
50.7%
Median Age
35.1 yrs
Avg Household Size
2.1
Foreign Born
3.0%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher19.6%
High School or Higher39.8%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
4.8%
Disability
0.0%
Non-English Home
3.5%
Married
34.5%
McDonough County, IL has a population of 27,102 according to 2023 Census Bureau estimates. The median age is 35.1 years. The largest racial or ethnic group is White at 87.1% of the population. 19.6% of residents hold a bachelor's degree or higher. 3.0% of residents are foreign-born.