Marion County, KY — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
19,680
Male
9,772
49.7%
Female
9,908
50.3%
Median Age
39.6 yrs
Avg Household Size
2.5
Foreign Born
2.3%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher8.7%
High School or Higher39.9%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.7%
Disability
0.0%
Non-English Home
9.3%
Married
36.8%
Marion County, KY has a population of 19,680 according to 2023 Census Bureau estimates. The median age is 39.6 years. The largest racial or ethnic group is White at 88.2% of the population. 8.7% of residents hold a bachelor's degree or higher. 2.3% of residents are foreign-born.