Codington County Demographics

A map of Codington County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	25,997	25,841	90.4%	91.2%
Hispanic	946	739	3.3%	2.6%
Multiracial	792	743	2.8%	2.6%
Native American/Other	658	696	2.3%	2.5%
Black	198	109	0.7%	0.4%
Asian	176	197	0.6%	0.7%

Codington County, South Dakota has an estimated population of 28,767, a slight increase from the 28,325 recorded in the 2020 Census. The population is 90.4% White, 3.3% Hispanic, 2.8% Multiracial, 2.3% Native American/Other, 0.7% Black, and 0.6% Asian. This demographic dot map shows the population of Codington County, with one dot drawn for each person counted by the Census, color-coded by race.

Codington has become 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 Codington County, that probability was 16.6% in 2020 and 18.1% in the most recent ACS estimates.

Codington County is ranked the 7th most populous county in South Dakota, out of 66 counties. Codington County was ranked the 7th most populous county in the 2020 Census.

Codington County's White Population

25,997 residents of Codington County, or 90.4% of the population, identify as White. The share of White residents in Codington County is considerably higher than in South Dakota overall, where 79.8% of the population is White. Codington County ranks 24th statewide in terms of White residents as a share of the population, out of 66 counties.

Since the 2020 Census, Codington County's White population has remained roughly the same. White residents' share of Codington County's population has decreased from 91.2% to 90.4%.

Codington County is more White than neighboring Grant County (89.3% White), and Day County (83% White). Codington County is less White than neighboring Hamlin County (91.2% White), Clark County (90.7% White), and Deuel County (93.9% White).

Codington County's Black Population

198 residents of Codington County, or 0.7% of the population, identify as Black. The share of Black residents in Codington County is comparable to the share in South Dakota overall, where 2.1% of the population is Black. Codington County ranks 23rd statewide in terms of Black residents as a share of the population, out of 66 counties.

Since the 2020 Census, Codington County's Black population has grown by an estimated 81.7%. Black residents' share of Codington County's population has remained roughly unchanged at 0.7%.

Codington County is more Black than neighboring Hamlin County (0.1% Black), Grant County (0.4% Black), Clark County (0.5% Black), Deuel County (0.5% Black), and Day County (0% Black).

Codington County's Asian Population

176 residents of Codington County, or 0.6% of the population, identify as Asian. The share of Asian residents in Codington County is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Codington County ranks 14th statewide in terms of Asian residents as a share of the population, out of 66 counties.

Since the 2020 Census, Codington County's Asian population has declined by an estimated 10.7%. Asian residents' share of Codington County's population has remained roughly unchanged at 0.6%.

Codington County is more Asian than neighboring Hamlin County (0.3% Asian), Deuel County (0.1% Asian), and Day County (0.1% Asian). Codington County is less Asian than neighboring Grant County (0.8% Asian), and Clark County (0.7% Asian).

Codington County's Hispanic Population

946 residents of Codington County, or 3.3% of the population, identify as Hispanic. The share of Hispanic residents in Codington County is comparable to the share in South Dakota overall, where 4.8% of the population is Hispanic. Codington County ranks 29th statewide in terms of Hispanic residents as a share of the population, out of 66 counties.

Since the 2020 Census, Codington County's Hispanic population has grown by an estimated 28.0%. Hispanic residents' share of Codington County's population has increased from 2.6% to 3.3%.

Codington County is more Hispanic than neighboring Deuel County (3.1% Hispanic), and Day County (2.8% Hispanic). Codington County is less Hispanic than neighboring Hamlin County (5.9% Hispanic), Grant County (7.4% Hispanic), and Clark County (5.3% Hispanic).

Codington County's Native American/Other Population

658 residents of Codington 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 Codington County is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Codington County ranks 36th statewide in terms of Native American/Other residents as a share of the population, out of 66 counties.

Since the 2020 Census, Codington County's Native American/Other population has declined by an estimated 5.5%. Native American/Other residents' share of Codington County's population has remained roughly unchanged at 2.3%.

Codington County is more Native American/Other than neighboring Hamlin County (0.3% Native American/Other), Grant County (0.3% Native American/Other), Clark County (0.8% Native American/Other), and Deuel County (0% Native American/Other). Codington County is less Native American/Other than neighboring Day County (9.9% Native American/Other).

Codington County's Multiracial Population

792 residents of Codington County, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Codington County is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. Codington County ranks 41st statewide in terms of Multiracial residents as a share of the population, out of 66 counties.

Since the 2020 Census, Codington County's Multiracial population has grown by an estimated 6.6%. Multiracial residents' share of Codington County's population has remained roughly unchanged at 2.8%.

Codington County is more Multiracial than neighboring Hamlin County (2.2% Multiracial), Grant County (1.9% Multiracial), Clark County (1.9% Multiracial), and Deuel County (2.4% Multiracial). Codington County is less Multiracial than neighboring Day County (4.2% 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.