Johnson County, TN — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
18,073
Male
9,713
53.7%
Female
8,360
46.3%
Median Age
46.4 yrs
Avg Household Size
2.3
Foreign Born
2.1%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher12.0%
High School or Higher41.1%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
7.5%
Disability
0.0%
Non-English Home
14.2%
Married
42.8%
Johnson County, TN has a population of 18,073 according to 2023 Census Bureau estimates. The median age is 46.4 years. The largest racial or ethnic group is White at 89.1% of the population. 12.0% of residents hold a bachelor's degree or higher. 2.1% of residents are foreign-born.