Sullivan County, Tennessee Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on February 28, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the total Sullivan County, TN population was 157,843. The White Alone racial group had the highest population (148.07K) and constituted 93.81% of the total Sullivan County population. The Two Or More Races racial group had the second highest population (4.22K) and constituted 2.67% of the population. The third highest racial group was Black or African American Alone (3.03K), constituting 1.92% of the population.

The population of the Non-Hispanic White Alone ethnicity group was 146.61K and constituted 92.88% of the population. The population of the Hispanic or Latino of All Races ethnicity group was (3.30K) and constituted 2.09% of the population.

The charts and tables below shows the population and percentages by race and ethnicity.

Note: Missing racial or ethnicity groups means there was not enough information for an estimate.

You can also see similar information for other Tennessee counties, and for Tennessee.

Sullivan County, Tennessee Population By Race in 2021
White Alone
Two Or More Races
Black or African American Alone
Asian Alone
Some Other Race Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Sullivan County, Tennessee Population By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
Sullivan County, Tennessee Population By Race in 2021
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Race Population % of Total Pop.
White Alone 148075 93.81
Two Or More Races 4219 2.67
Black or African American Alone 3033 1.92
Asian Alone 1123 0.71
Some Other Race Alone 1070 0.68
American Indian and Alaska Native Alone 292 0.19
Native Hawaiian And Pacific Islander Alone 31 0.02
Sullivan County, Tennessee Population By Ethnicity in 2021
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Ethnicity Population % of Total Pop.
Non-Hispanic White Alone 146606 92.88
Hispanic or Latino of All Races 3302 2.09