Custer County Demographics

A map of Custer County's Population by Race

Custer County, South Dakota had a population of 8,318 in 2020. It was 90.2% White, 0.4% Black, 0.3% Asian, 2.5% Hispanic, 2.4% Native American/Other, and 4.1% Multiracial. This map presents the population of Custer County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Custer County is the 22nd most populous county of the 66 counties in South Dakota.

Custer County's White Population

7,506 residents of Custer County identify as White, or 90.2%. This makes the White share of the population of Custer County slightly larger than the White share of the population of South Dakota (79.6% White). Of the 66 counties in South Dakota, Custer County is ranked #25 in terms of White residents as a share of the population.

Custer County is more White than neighboring Fall River County (85.1% White), Pennington County (75.8% White), Lawrence County (89% White), Oglala Lakota County (3.2% White), and Dawes County (84.7% White).

Custer County's Black Population

32 residents of Custer County identify as Black, or 0.4%. This makes the Black share of the population of Custer County roughly similar to the Black share of the population of South Dakota (2% Black). Of the 66 counties in South Dakota, Custer County is ranked #24 in terms of Black residents as a share of the population.

Custer County is more Black than neighboring Oglala Lakota County (0.2% Black). Custer County is less Black than neighboring Fall River County (0.5% Black), Pennington County (1.2% Black), Lawrence County (0.5% Black), and Dawes County (2% Black).

Custer County's Asian Population

25 residents of Custer County identify as Asian, or 0.3%. This makes the Asian share of the population of Custer County roughly similar to the Asian share of the population of South Dakota (1.5% Asian). Of the 66 counties in South Dakota, Custer County is ranked #32 in terms of Asian residents as a share of the population.

Custer County is less Asian than neighboring Fall River County (0.7% Asian), Pennington County (1.3% Asian), Lawrence County (0.8% Asian), and Dawes County (0.6% Asian).

Custer County's Hispanic Population

211 residents of Custer County identify as Hispanic, or 2.5%. This makes the Hispanic share of the population of Custer County roughly similar to the Hispanic share of the population of South Dakota (4.4% Hispanic). Of the 66 counties in South Dakota, Custer County is ranked #33 in terms of Hispanic residents as a share of the population.

Custer County is less Hispanic than neighboring Fall River County (2.6% Hispanic), Pennington County (5.1% Hispanic), Lawrence County (3.6% Hispanic), Oglala Lakota County (2.9% Hispanic), and Dawes County (4% Hispanic).

Custer County's Native American/Other Population

203 residents of Custer County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 2.4%. This makes the Native American/Other share of the population of Custer County slightly less than the Native American/Other share of the population of South Dakota (8.7% Native American/Other). Of the 66 counties in South Dakota, Custer County is ranked #37 in terms of Native American/Other residents as a share of the population.

Custer County is more Native American/Other than neighboring Lawrence County (2.2% Native American/Other). Custer County is less Native American/Other than neighboring Fall River County (6.2% Native American/Other), Pennington County (10.5% Native American/Other), Oglala Lakota County (91.7% Native American/Other), and Dawes County (4.3% Native American/Other).

Custer County's Multiracial Population

341 residents of Custer County identify as Multiracial, or 4.1%. This makes the Multiracial share of the population of Custer County roughly similar to the Multiracial share of the population of South Dakota (3.9% Multiracial). Of the 66 counties in South Dakota, Custer County is ranked #18 in terms of Multiracial residents as a share of the population.

Custer County is more Multiracial than neighboring Lawrence County (4% Multiracial), and Oglala Lakota County (1.7% Multiracial). Custer County is less Multiracial than neighboring Fall River County (5% Multiracial), Pennington County (6.1% Multiracial), and Dawes County (4.4% Multiracial).

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