Corson County Demographics

A map of Corson County's Population by Race

Corson County, South Dakota had a population of 3,902 in 2020. It was 24.5% White, 0.2% Black, 0.5% Asian, 1.2% Hispanic, 69.2% Native American/Other, and 4.4% Multiracial. This map presents the population of Corson County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Corson County is the 41st most populous county of the 66 counties in South Dakota.

Corson County's White Population

957 residents of Corson County identify as White, or 24.5%. This makes the White share of the population of Corson County considerably less than the White share of the population of South Dakota (79.6% White). Of the 66 counties in South Dakota, Corson County is ranked #61 in terms of White residents as a share of the population.

Corson County is more White than neighboring Sioux County (10.3% White), Dewey County (16.2% White), and Ziebach County (16.7% White). Corson County is less White than neighboring Grant County (94.3% White), and Morton County (86.5% White).

Corson County's Black Population

6 residents of Corson County identify as Black, or 0.2%. This makes the Black share of the population of Corson County roughly similar to the Black share of the population of South Dakota (2% Black). Of the 66 counties in South Dakota, Corson County is ranked #45 in terms of Black residents as a share of the population.

Corson County is more Black than neighboring Sioux County (0.1% Black), and Ziebach County (0% Black). Corson County is less Black than neighboring Grant County (0.4% Black), and Morton County (1.4% Black).

Corson County's Asian Population

20 residents of Corson County identify as Asian, or 0.5%. This makes the Asian share of the population of Corson County roughly similar to the Asian share of the population of South Dakota (1.5% Asian). Of the 66 counties in South Dakota, Corson County is ranked #22 in terms of Asian residents as a share of the population.

Corson County is more Asian than neighboring Sioux County (0.1% Asian), Dewey County (0.1% Asian), and Ziebach County (0.1% Asian).

Corson County's Hispanic Population

46 residents of Corson County identify as Hispanic, or 1.2%. This makes the Hispanic share of the population of Corson County roughly similar to the Hispanic share of the population of South Dakota (4.4% Hispanic). Of the 66 counties in South Dakota, Corson County is ranked #61 in terms of Hispanic residents as a share of the population.

Corson County is more Hispanic than neighboring Grant County (1.1% Hispanic). Corson County is less Hispanic than neighboring Sioux County (1.6% Hispanic), Dewey County (1.5% Hispanic), Ziebach County (1.4% Hispanic), and Morton County (3.9% Hispanic).

Corson County's Native American/Other Population

2,702 residents of Corson County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 69.2%. This makes the Native American/Other share of the population of Corson County considerably larger than the Native American/Other share of the population of South Dakota (8.7% Native American/Other). Of the 66 counties in South Dakota, Corson County is ranked #6 in terms of Native American/Other residents as a share of the population.

Corson County is more Native American/Other than neighboring Grant County (1.4% Native American/Other), and Morton County (4.1% Native American/Other). Corson County is less Native American/Other than neighboring Sioux County (84.2% Native American/Other), Dewey County (78% Native American/Other), and Ziebach County (78.9% Native American/Other).

Corson County's Multiracial Population

171 residents of Corson County identify as Multiracial, or 4.4%. This makes the Multiracial share of the population of Corson County roughly similar to the Multiracial share of the population of South Dakota (3.9% Multiracial). Of the 66 counties in South Dakota, Corson County is ranked #16 in terms of Multiracial residents as a share of the population.

Corson County is more Multiracial than neighboring Sioux County (3.8% Multiracial), Dewey County (4% Multiracial), Grant County (2.3% Multiracial), Ziebach County (2.8% Multiracial), and Morton County (3.6% Multiracial).

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