Sully County Demographics

A map of Sully County's Population by Race

Sully County, South Dakota had a population of 1,446 in 2020. It was 92.3% White, 0.3% Black, 0.4% Asian, 2.9% Hispanic, 0.7% Native American/Other, and 3.4% Multiracial. This map presents the population of Sully County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Sully County is the 62nd most populous county of the 66 counties in South Dakota.

Sully County's White Population

1,334 residents of Sully County identify as White, or 92.3%. This makes the White share of the population of Sully County larger than the White share of the population of South Dakota (79.6% White). Of the 66 counties in South Dakota, Sully County is ranked #19 in terms of White residents as a share of the population.

Sully County is more White than neighboring Hughes County (79.3% White), Hyde County (86.2% White), Stanley County (85.7% White), and Walworth County (77.4% White). Sully County is less White than neighboring Potter County (93.6% White).

Sully County's Black Population

5 residents of Sully County identify as Black, or 0.3%. This makes the Black share of the population of Sully County roughly similar to the Black share of the population of South Dakota (2% Black). Of the 66 counties in South Dakota, Sully County is ranked #27 in terms of Black residents as a share of the population.

Sully County is more Black than neighboring Potter County (0.2% Black), and Walworth County (0.2% Black). Sully County is less Black than neighboring Hughes County (0.5% Black), and Stanley County (0.4% Black).

Sully County's Asian Population

6 residents of Sully County identify as Asian, or 0.4%. This makes the Asian share of the population of Sully County roughly similar to the Asian share of the population of South Dakota (1.5% Asian). Of the 66 counties in South Dakota, Sully County is ranked #27 in terms of Asian residents as a share of the population.

Sully County is more Asian than neighboring Stanley County (0.2% Asian), and Walworth County (0.2% Asian). Sully County is less Asian than neighboring Hughes County (0.7% Asian), and Potter County (0.6% Asian).

Sully County's Hispanic Population

42 residents of Sully County identify as Hispanic, or 2.9%. This makes the Hispanic share of the population of Sully County roughly similar to the Hispanic share of the population of South Dakota (4.4% Hispanic). Of the 66 counties in South Dakota, Sully County is ranked #24 in terms of Hispanic residents as a share of the population.

Sully County is more Hispanic than neighboring Hughes County (2.8% Hispanic), Potter County (1.6% Hispanic), Hyde County (1.9% Hispanic), Stanley County (1% Hispanic), and Walworth County (1.9% Hispanic).

Sully County's Native American/Other Population

10 residents of Sully County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.7%. This makes the Native American/Other share of the population of Sully 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, Sully County is ranked #61 in terms of Native American/Other residents as a share of the population.

Sully County is less Native American/Other than neighboring Hughes County (12% Native American/Other), Potter County (2.3% Native American/Other), Hyde County (8.2% Native American/Other), Stanley County (6.9% Native American/Other), and Walworth County (15% Native American/Other).

Sully County's Multiracial Population

49 residents of Sully County identify as Multiracial, or 3.4%. This makes the Multiracial share of the population of Sully County roughly similar to the Multiracial share of the population of South Dakota (3.9% Multiracial). Of the 66 counties in South Dakota, Sully County is ranked #26 in terms of Multiracial residents as a share of the population.

Sully County is more Multiracial than neighboring Potter County (1.7% Multiracial), and Hyde County (3% Multiracial). Sully County is less Multiracial than neighboring Hughes County (4.8% Multiracial), Stanley County (5.8% Multiracial), and Walworth County (5.4% Multiracial).

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