Sullivan County, TN — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
159,693
Male
78,096
48.9%
Female
81,597
51.1%
Median Age
45.0 yrs
Avg Household Size
2.3
Foreign Born
1.8%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher19.5%
High School or Higher43.5%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
7.1%
Disability
0.0%
Non-English Home
7.6%
Married
43.6%
Sullivan County, TN has a population of 159,693 according to 2023 Census Bureau estimates. The median age is 45.0 years. The largest racial or ethnic group is White at 93.1% of the population. 19.5% of residents hold a bachelor's degree or higher. 1.8% of residents are foreign-born.