Charles Mix County Demographics
A map of Charles Mix County's Population by Race
Charles Mix County, South Dakota has an estimated population of 9,281, a less than 1% change from the 9,373 recorded in the 2020 Census. The population is 63.7% White, 27.1% Native American/Other, 5.5% Multiracial, 3.0% Hispanic, 0.6% Asian, and 0.2% Black. This demographic dot map shows the population of Charles Mix County, with one dot drawn for each person counted by the Census, color-coded by race.
Charles Mix is about as racially diverse as it was in 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 Charles Mix County, that probability was 52.1% in 2020 and 51.6% in the most recent ACS estimates.
Charles Mix County is ranked the 19th most populous county in South Dakota, out of 66 counties. Charles Mix County was ranked the 19th most populous county in the 2020 Census.
Charles Mix County's White Population
5,916 residents of Charles Mix County, or 63.7% of the population, identify as White. The share of White residents in Charles Mix County is significantly lower than in South Dakota overall, where 79.8% of the population is White. Charles Mix County ranks 55th statewide in terms of White residents as a share of the population, out of 66 counties.
Since the 2020 Census, Charles Mix County's White population has grown by an estimated 3.4%. White residents' share of Charles Mix County's population has increased from 61.0% to 63.7%.
Charles Mix County is less White than neighboring Douglas County (91.8% White), Boyd County (90.8% White), Aurora County (86.3% White), Gregory County (86.2% White), and Davison County (88.2% White).
Charles Mix County's Black Population
14 residents of Charles Mix County, or 0.2% of the population, identify as Black. The share of Black residents in Charles Mix County is comparable to the share in South Dakota overall, where 2.1% of the population is Black. Charles Mix County ranks 43rd statewide in terms of Black residents as a share of the population, out of 66 counties.
Since the 2020 Census, Charles Mix County's Black population has declined by an estimated 6.7%. Black residents' share of Charles Mix County's population has remained roughly unchanged at 0.2%.
Charles Mix County is less Black than neighboring Douglas County (0.6% Black), Aurora County (0.6% Black), Gregory County (0.9% Black), and Davison County (0.7% Black).
Charles Mix County's Asian Population
54 residents of Charles Mix County, or 0.6% of the population, identify as Asian. The share of Asian residents in Charles Mix County is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Charles Mix County ranks 31st statewide in terms of Asian residents as a share of the population, out of 66 counties.
Since the 2020 Census, Charles Mix County's Asian population has grown by an estimated 74.2%. Asian residents' share of Charles Mix County's population has remained roughly unchanged at 0.6%.
Charles Mix County is more Asian than neighboring Douglas County (0% Asian), Boyd County (0.2% Asian), Aurora County (0.2% Asian), and Davison County (0.5% Asian). Charles Mix County is less Asian than neighboring Gregory County (1.1% Asian).
Charles Mix County's Hispanic Population
274 residents of Charles Mix County, or 3.0% of the population, identify as Hispanic. The share of Hispanic residents in Charles Mix County is comparable to the share in South Dakota overall, where 4.8% of the population is Hispanic. Charles Mix County ranks 36th statewide in terms of Hispanic residents as a share of the population, out of 66 counties.
Since the 2020 Census, Charles Mix County's Hispanic population has grown by an estimated 20.2%. Hispanic residents' share of Charles Mix County's population has increased from 2.4% to 3.0%.
Charles Mix County is more Hispanic than neighboring Gregory County (0.6% Hispanic). Charles Mix County is less Hispanic than neighboring Boyd County (3.3% Hispanic), Aurora County (7% Hispanic), and Davison County (5.1% Hispanic).
Charles Mix County's Native American/Other Population
2,512 residents of Charles Mix County, or 27.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Charles Mix County is significantly higher than in South Dakota overall, where 7.5% of the population is Native American/Other. Charles Mix County ranks 12th statewide in terms of Native American/Other residents as a share of the population, out of 66 counties.
Since the 2020 Census, Charles Mix County's Native American/Other population has declined by an estimated 17.0%. Native American/Other residents' share of Charles Mix County's population has decreased from 32.3% to 27.1%.
Charles Mix County is more Native American/Other than neighboring Douglas County (2.2% Native American/Other), Boyd County (3.6% Native American/Other), Aurora County (0.6% Native American/Other), Gregory County (4.3% Native American/Other), and Davison County (3.8% Native American/Other).
Charles Mix County's Multiracial Population
511 residents of Charles Mix County, or 5.5% of the population, identify as Multiracial. The share of Multiracial residents in Charles Mix County is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. Charles Mix County ranks 23rd statewide in terms of Multiracial residents as a share of the population, out of 66 counties.
Since the 2020 Census, Charles Mix County's Multiracial population has grown by an estimated 45.6%. Multiracial residents' share of Charles Mix County's population has increased from 3.7% to 5.5%.
Charles Mix County is more Multiracial than neighboring Douglas County (2.4% Multiracial), Boyd County (2% Multiracial), Aurora County (5.4% Multiracial), and Davison County (1.7% Multiracial). Charles Mix County is less Multiracial than neighboring Gregory County (7% 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.