Knox County, IL — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
49,294
Male
25,173
51.1%
Female
24,121
48.9%
Median Age
42.4 yrs
Avg Household Size
2.2
Foreign Born
3.3%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher14.2%
High School or Higher38.7%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.7%
Disability
0.0%
Non-English Home
7.5%
Married
36.7%
Knox County, IL has a population of 49,294 according to 2023 Census Bureau estimates. The median age is 42.4 years. The largest racial or ethnic group is White at 83.3% of the population. 14.2% of residents hold a bachelor's degree or higher. 3.3% of residents are foreign-born.