Union County Demographics

A map of Union County's Population by Race

Union County, Tennessee had a population of 19,802 in 2020. It was 94.1% White, 0.3% Black, 0.2% Asian, 2.0% Hispanic, 0.4% Native American/Other, and 3.0% Multiracial. This map presents the population of Union County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Union County is the 67th most populous county of the 95 counties in Tennessee.

Union County's White Population

18,642 residents of Union County identify as White, or 94.1%. This makes the White share of the population of Union County considerably larger than the White share of the population of Tennessee (70.9% White). Of the 95 counties in Tennessee, Union County is ranked #9 in terms of White residents as a share of the population.

Union County is more White than neighboring Claiborne County (93.5% White), Knox County (78% White), Grainger County (92.4% White), and Anderson County (85.6% White). Union County is less White than neighboring Campbell County (94.5% White).

Union County's Black Population

53 residents of Union County identify as Black, or 0.3%. This makes the Black share of the population of Union County less than the Black share of the population of Tennessee (15.7% Black). Of the 95 counties in Tennessee, Union County is ranked #90 in terms of Black residents as a share of the population.

Union County is less Black than neighboring Claiborne County (1% Black), Knox County (8.3% Black), Grainger County (0.5% Black), and Anderson County (3.7% Black).

Union County's Asian Population

36 residents of Union County identify as Asian, or 0.2%. This makes the Asian share of the population of Union County roughly similar to the Asian share of the population of Tennessee (1.9% Asian). Of the 95 counties in Tennessee, Union County is ranked #84 in terms of Asian residents as a share of the population.

Union County is less Asian than neighboring Claiborne County (0.5% Asian), Knox County (2.5% Asian), and Anderson County (1.3% Asian).

Union County's Hispanic Population

404 residents of Union County identify as Hispanic, or 2.0%. This makes the Hispanic share of the population of Union County roughly similar to the Hispanic share of the population of Tennessee (6.9% Hispanic). Of the 95 counties in Tennessee, Union County is ranked #76 in terms of Hispanic residents as a share of the population.

Union County is more Hispanic than neighboring Claiborne County (1.5% Hispanic), and Campbell County (1.3% Hispanic). Union County is less Hispanic than neighboring Knox County (6% Hispanic), Grainger County (3.3% Hispanic), and Anderson County (3.7% Hispanic).

Union County's Native American/Other Population

79 residents of Union County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.4%. This makes the Native American/Other share of the population of Union County roughly similar to the Native American/Other share of the population of Tennessee (0.6% Native American/Other). Of the 95 counties in Tennessee, Union County is ranked #82 in terms of Native American/Other residents as a share of the population.

Union County is more Native American/Other than neighboring Grainger County (0.3% Native American/Other). Union County is less Native American/Other than neighboring Claiborne County (0.5% Native American/Other), Knox County (0.7% Native American/Other), and Anderson County (0.7% Native American/Other).

Union County's Multiracial Population

588 residents of Union County identify as Multiracial, or 3.0%. This makes the Multiracial share of the population of Union County roughly similar to the Multiracial share of the population of Tennessee (3.9% Multiracial). Of the 95 counties in Tennessee, Union County is ranked #79 in terms of Multiracial residents as a share of the population.

Union County is less Multiracial than neighboring Knox County (4.5% Multiracial), Grainger County (3.2% Multiracial), Campbell County (3.3% Multiracial), and Anderson County (5.1% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.