Sanborn County Demographics

A map of Sanborn County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,150	2,182	90.2%	93.6%
Hispanic	123	57	5.2%	2.4%
Native American/Other	56	20	2.3%	0.9%
Multiracial	55	62	2.3%	2.7%
Black	0	0	0.0%	0.0%
Asian	0	9	0.0%	0.4%

Sanborn County, South Dakota has an estimated population of 2,384, a slight increase from the 2,330 recorded in the 2020 Census. The population is 90.2% White, 5.2% Hispanic, 2.3% Native American/Other, 2.3% Multiracial, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Sanborn County, with one dot drawn for each person counted by the Census, color-coded by race.

Sanborn has become considerably more racially diverse since the 2020 Census. It is considerably less 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 Sanborn County, that probability was 12.2% in 2020 and 18.3% in the most recent ACS estimates.

Sanborn County is ranked the 53rd most populous county in South Dakota, out of 66 counties. Sanborn County was ranked the 55th most populous county in the 2020 Census.

Sanborn County's White Population

2,150 residents of Sanborn County, or 90.2% of the population, identify as White. The share of White residents in Sanborn County is considerably higher than in South Dakota overall, where 79.8% of the population is White. Sanborn County ranks 11th statewide in terms of White residents as a share of the population, out of 66 counties.

Since the 2020 Census, Sanborn County's White population has declined by an estimated 1.5%. White residents' share of Sanborn County's population has decreased from 93.6% to 90.2%.

Sanborn County is more White than neighboring Davison County (88.2% White), Beadle County (68.1% White), and Jerauld County (89.4% White). Sanborn County is less White than neighboring Hanson County (91.8% White), and Miner County (96% White).

Sanborn County's Black Population

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

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

Sanborn County is less Black than neighboring Davison County (0.7% Black), Beadle County (1% Black), Hanson County (0.3% Black), and Miner County (0.7% Black).

Sanborn County's Asian Population

0 residents of Sanborn County, or 0.0% of the population, identify as Asian. The share of Asian residents in Sanborn County is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Sanborn County ranks 29th statewide in terms of Asian residents as a share of the population, out of 66 counties.

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

Sanborn County is less Asian than neighboring Davison County (0.5% Asian), Beadle County (9.8% Asian), and Miner County (0.2% Asian).

Sanborn County's Hispanic Population

123 residents of Sanborn County, or 5.2% of the population, identify as Hispanic. The share of Hispanic residents in Sanborn County is comparable to the share in South Dakota overall, where 4.8% of the population is Hispanic. Sanborn County ranks 34th statewide in terms of Hispanic residents as a share of the population, out of 66 counties.

Since the 2020 Census, Sanborn County's Hispanic population has grown by an estimated 115.8%. Hispanic residents' share of Sanborn County's population has increased from 2.4% to 5.2%.

Sanborn County is more Hispanic than neighboring Davison County (5.1% Hispanic), Hanson County (1.4% Hispanic), and Miner County (1.3% Hispanic). Sanborn County is less Hispanic than neighboring Beadle County (14.9% Hispanic), and Jerauld County (7% Hispanic).

Sanborn County's Native American/Other Population

56 residents of Sanborn County, or 2.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Sanborn County is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Sanborn County ranks 57th statewide in terms of Native American/Other residents as a share of the population, out of 66 counties.

Since the 2020 Census, Sanborn County's Native American/Other population has grown by an estimated 180.0%. Native American/Other residents' share of Sanborn County's population has increased from 0.9% to 2.3%.

Sanborn County is more Native American/Other than neighboring Beadle County (1.5% Native American/Other), Hanson County (0% Native American/Other), Miner County (0.7% Native American/Other), and Jerauld County (0.2% Native American/Other). Sanborn County is less Native American/Other than neighboring Davison County (3.8% Native American/Other).

Sanborn County's Multiracial Population

55 residents of Sanborn County, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Sanborn County is slightly lower than in South Dakota overall, where 4.4% of the population is Multiracial. Sanborn County ranks 40th statewide in terms of Multiracial residents as a share of the population, out of 66 counties.

Since the 2020 Census, Sanborn County's Multiracial population has declined by an estimated 11.3%. Multiracial residents' share of Sanborn County's population has remained roughly unchanged at 2.3%.

Sanborn County is more Multiracial than neighboring Davison County (1.7% Multiracial), and Miner County (1.1% Multiracial). Sanborn County is less Multiracial than neighboring Beadle County (4.7% Multiracial), Hanson County (6.5% Multiracial), and Jerauld County (3.4% 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.