Sullivan County Demographics

A map of Sullivan County's Population by Race

Sullivan County, Indiana had a population of 20,817 in 2020. It was 90.6% White, 4.2% Black, 0.2% Asian, 1.6% Hispanic, 0.4% Native American/Other, and 3.1% Multiracial. This map presents the population of Sullivan County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Sullivan County is the 69th most populous county of the 92 counties in Indiana.

Sullivan County's White Population

18,856 residents of Sullivan County identify as White, or 90.6%. This makes the White share of the population of Sullivan County larger than the White share of the population of Indiana (75.5% White). Of the 92 counties in Indiana, Sullivan County is ranked #49 in terms of White residents as a share of the population.

Sullivan County is more White than neighboring Vigo County (83% White). Sullivan County is less White than neighboring Crawford County (90.7% White), Knox County (91% White), Clay County (94% White), and Clark County (95% White).

Sullivan County's Black Population

877 residents of Sullivan County identify as Black, or 4.2%. This makes the Black share of the population of Sullivan County slightly less than the Black share of the population of Indiana (9.4% Black). Of the 92 counties in Indiana, Sullivan County is ranked #20 in terms of Black residents as a share of the population.

Sullivan County is more Black than neighboring Crawford County (3.3% Black), Knox County (1.9% Black), Clay County (0.5% Black), and Clark County (0.3% Black). Sullivan County is less Black than neighboring Vigo County (6.7% Black).

Sullivan County's Asian Population

33 residents of Sullivan County identify as Asian, or 0.2%. This makes the Asian share of the population of Sullivan County roughly similar to the Asian share of the population of Indiana (2.5% Asian). Of the 92 counties in Indiana, Sullivan County is ranked #90 in terms of Asian residents as a share of the population.

Sullivan County is less Asian than neighboring Vigo County (1.9% Asian), Crawford County (0.4% Asian), Knox County (0.8% Asian), Clay County (0.3% Asian), and Clark County (0.3% Asian).

Sullivan County's Hispanic Population

334 residents of Sullivan County identify as Hispanic, or 1.6%. This makes the Hispanic share of the population of Sullivan County slightly less than the Hispanic share of the population of Indiana (8.2% Hispanic). Of the 92 counties in Indiana, Sullivan County is ranked #75 in terms of Hispanic residents as a share of the population.

Sullivan County is less Hispanic than neighboring Vigo County (3.1% Hispanic), Crawford County (2.4% Hispanic), Knox County (2.8% Hispanic), and Clay County (1.7% Hispanic).

Sullivan County's Native American/Other Population

79 residents of Sullivan 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 Sullivan County roughly similar to the Native American/Other share of the population of Indiana (0.6% Native American/Other). Of the 92 counties in Indiana, Sullivan County is ranked #65 in terms of Native American/Other residents as a share of the population.

Sullivan County is less Native American/Other than neighboring Vigo County (0.9% Native American/Other), and Knox County (0.5% Native American/Other).

Sullivan County's Multiracial Population

638 residents of Sullivan County identify as Multiracial, or 3.1%. This makes the Multiracial share of the population of Sullivan County roughly similar to the Multiracial share of the population of Indiana (3.9% Multiracial). Of the 92 counties in Indiana, Sullivan County is ranked #49 in terms of Multiracial residents as a share of the population.

Sullivan County is more Multiracial than neighboring Crawford County (2.9% Multiracial), Knox County (3% Multiracial), and Clark County (2.4% Multiracial). Sullivan County is less Multiracial than neighboring Vigo County (4.5% Multiracial).

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