Clinton County, MO — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
21,259
Male
10,622
50.0%
Female
10,637
50.0%
Median Age
42.1 yrs
Avg Household Size
2.5
Foreign Born
1.3%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher15.8%
High School or Higher44.9%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.9%
Disability
0.0%
Non-English Home
4.4%
Married
42.4%
Clinton County, MO has a population of 21,259 according to 2023 Census Bureau estimates. The median age is 42.1 years. The largest racial or ethnic group is White at 93.2% of the population. 15.8% of residents hold a bachelor's degree or higher. 1.3% of residents are foreign-born.