Ziebach County Demographics

A map of Ziebach County's Population by Race

Ziebach County, South Dakota has an estimated population of 2,377, a slight decrease from the 2,413 recorded in the 2020 Census. The population is 69.5% Native American/Other, 27.1% White, 1.9% Multiracial, 1.5% Hispanic, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Ziebach County, with one dot drawn for each person counted by the Census, color-coded by race.

Ziebach has become considerably more racially diverse since the 2020 Census. It is considerably more diverse than South Dakota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Ziebach County, that probability was 34.8% in 2020 and 44.2% in the most recent ACS estimates.

Ziebach County is ranked the 54th most populous county in South Dakota, out of 66 counties. Ziebach County was ranked the 53rd most populous county in the 2020 Census.

Ziebach County's White Population

644 residents of Ziebach County, or 27.1% of the population, identify as White. The share of White residents in Ziebach County is significantly lower than in South Dakota overall, where 79.8% of the population is White. Ziebach County ranks 62nd statewide in terms of White residents as a share of the population, out of 66 counties.

Since the 2020 Census, Ziebach County's White population has grown by an estimated 59.4%. White residents' share of Ziebach County's population has increased from 16.7% to 27.1%.

Ziebach County is more White than neighboring Dewey County (21% White). Ziebach County is less White than neighboring Haakon County (90% White), Corson County (29.9% White), Perkins County (92% White), and Stanley County (87.9% White).

Ziebach County's Black Population

0 residents of Ziebach County, or 0.0% of the population, identify as Black. The share of Black residents in Ziebach County is slightly lower than in South Dakota overall, where 2.1% of the population is Black. Ziebach County ranks 61st statewide in terms of Black residents as a share of the population, out of 66 counties.

Since the 2020 Census, Ziebach County's Black population has grown from 0 to an estimated 0. Black residents' share of Ziebach County's population has remained roughly unchanged at 0.0%.

Ziebach County is less Black than neighboring Haakon County (1.3% Black), and Dewey County (0.5% Black).

Ziebach County's Asian Population

0 residents of Ziebach County, or 0.0% of the population, identify as Asian. The share of Asian residents in Ziebach County is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Ziebach County ranks 54th statewide in terms of Asian residents as a share of the population, out of 66 counties.

Since the 2020 Census, Ziebach County's Asian population has declined by an estimated 100.0%. Asian residents' share of Ziebach County's population has remained roughly unchanged at 0.0%.

Ziebach County is less Asian than neighboring Dewey County (0.1% Asian), and Perkins County (0.7% Asian).

Ziebach County's Hispanic Population

35 residents of Ziebach County, or 1.5% of the population, identify as Hispanic. The share of Hispanic residents in Ziebach County is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Ziebach County ranks 56th statewide in terms of Hispanic residents as a share of the population, out of 66 counties.

Since the 2020 Census, Ziebach County's Hispanic population has grown by an estimated 2.9%. Hispanic residents' share of Ziebach County's population has remained roughly unchanged at 1.5%.

Ziebach County is more Hispanic than neighboring Haakon County (0.1% Hispanic), Dewey County (1% Hispanic), Corson County (0.5% Hispanic), and Perkins County (1.1% Hispanic). Ziebach County is less Hispanic than neighboring Stanley County (2.2% Hispanic).

Ziebach County's Native American/Other Population

1,653 residents of Ziebach County, or 69.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Ziebach County is significantly higher than in South Dakota overall, where 7.5% of the population is Native American/Other. Ziebach County ranks 4th statewide in terms of Native American/Other residents as a share of the population, out of 66 counties.

Since the 2020 Census, Ziebach County's Native American/Other population has declined by an estimated 13.2%. Native American/Other residents' share of Ziebach County's population has decreased from 78.9% to 69.5%.

Ziebach County is more Native American/Other than neighboring Haakon County (7.7% Native American/Other), Corson County (66.5% Native American/Other), Perkins County (1.4% Native American/Other), and Stanley County (3.5% Native American/Other). Ziebach County is less Native American/Other than neighboring Dewey County (73.8% Native American/Other).

Ziebach County's Multiracial Population

45 residents of Ziebach County, or 1.9% of the population, identify as Multiracial. The share of Multiracial residents in Ziebach County is slightly lower than in South Dakota overall, where 4.4% of the population is Multiracial. Ziebach County ranks 36th statewide in terms of Multiracial residents as a share of the population, out of 66 counties.

Since the 2020 Census, Ziebach County's Multiracial population has declined by an estimated 33.8%. Multiracial residents' share of Ziebach County's population has decreased from 2.8% to 1.9%.

Ziebach County is more Multiracial than neighboring Haakon County (0.9% Multiracial). Ziebach County is less Multiracial than neighboring Dewey County (3.6% Multiracial), Corson County (3% Multiracial), Perkins County (4.8% Multiracial), and Stanley County (6.4% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.