Massac County, IL — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
13,958
Male
6,807
48.8%
Female
7,151
51.2%
Median Age
45.0 yrs
Avg Household Size
2.5
Foreign Born
1.6%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher11.8%
High School or Higher36.5%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
7.3%
Disability
0.0%
Non-English Home
7.8%
Married
43.5%
Massac County, IL has a population of 13,958 according to 2023 Census Bureau estimates. The median age is 45.0 years. The largest racial or ethnic group is White at 87.9% of the population. 11.8% of residents hold a bachelor's degree or higher. 1.6% of residents are foreign-born.