Mercer County, MO — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
3,501
Male
1,730
49.4%
Female
1,771
50.6%
Median Age
40.8 yrs
Avg Household Size
2.7
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 Higher12.2%
High School or Higher42.0%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.2%
Disability
0.0%
Non-English Home
6.4%
Married
38.3%
Mercer County, MO has a population of 3,501 according to 2023 Census Bureau estimates. The median age is 40.8 years. The largest racial or ethnic group is White at 92.7% of the population. 12.2% of residents hold a bachelor's degree or higher. 3.3% of residents are foreign-born.