St. Charles, SD Demographics

A map of St. Charles's Population by Race

St. Charles, South Dakota has an estimated population of 6, a dramatic decrease from the 15 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of St. Charles, with one dot drawn for each person counted by the Census, color-coded by race.

St. Charles has become considerably less 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 St. Charles, that probability was 12.4% in 2020 and 0.0% in the most recent ACS estimates.

St. Charles is ranked the 429th most populous place in South Dakota, out of 485 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). St. Charles was ranked the 444th most populous place in the 2020 Census.

St. Charles's White Population

6 residents of St. Charles, or 100.0% of the population, identify as White. The share of White residents in St. Charles is significantly higher than in South Dakota overall, where 79.8% of the population is White. St. Charles ranks 145th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, St. Charles's White population has declined by an estimated 57.1%. White residents' share of St. Charles's population has increased from 93.3% to 100.0%.

St. Charles is more White than neighboring Herrick (91.8% White), Naper (60.7% White), Bonesteel (80.1% White), Fairfax (91.6% White), and Burke (89.7% White).

St. Charles's Black Population

0 residents of St. Charles, or 0.0% of the population, identify as Black. The share of Black residents in St. Charles is slightly lower than in South Dakota overall, where 2.1% of the population is Black. St. Charles ranks 183rd statewide in terms of Black residents as a share of the population, out of 485 places.

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

St. Charles's Asian Population

0 residents of St. Charles, or 0.0% of the population, identify as Asian. The share of Asian residents in St. Charles is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. St. Charles ranks 176th statewide in terms of Asian residents as a share of the population, out of 485 places.

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

St. Charles is less Asian than neighboring Fairfax (5.9% Asian).

St. Charles's Hispanic Population

0 residents of St. Charles, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in St. Charles is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. St. Charles ranks 389th statewide in terms of Hispanic residents as a share of the population, out of 485 places.

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

St. Charles is less Hispanic than neighboring Naper (2.6% Hispanic).

St. Charles's Native American/Other Population

0 residents of St. Charles, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Charles is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. St. Charles ranks 345th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, St. Charles's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of St. Charles's population has remained roughly unchanged at 0.0%.

St. Charles is less Native American/Other than neighboring Naper (36.8% Native American/Other), Bonesteel (18.9% Native American/Other), and Burke (2.4% Native American/Other).

St. Charles's Multiracial Population

0 residents of St. Charles, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in St. Charles is slightly lower than in South Dakota overall, where 4.4% of the population is Multiracial. St. Charles ranks 60th statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, St. Charles's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of St. Charles's population has decreased from 6.7% to 0.0%.

St. Charles is less Multiracial than neighboring Herrick (8.2% Multiracial), Bonesteel (1% Multiracial), Fairfax (2.5% Multiracial), and Burke (7.9% 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.