Millbrook Colony, SD Demographics
A map of Millbrook Colony's Population by Race
Millbrook Colony, South Dakota has an estimated population of 47, a dramatic decrease from the 98 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 Millbrook Colony, with one dot drawn for each person counted by the Census, color-coded by race.
Millbrook Colony has become 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 Millbrook Colony, that probability was 4.0% in 2020 and 0.0% in the most recent ACS estimates.
Millbrook Colony is ranked the 377th 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). Millbrook Colony was ranked the 323rd most populous place in the 2020 Census.
Millbrook Colony's White Population
47 residents of Millbrook Colony, or 100.0% of the population, identify as White. The share of White residents in Millbrook Colony is significantly higher than in South Dakota overall, where 79.8% of the population is White. Millbrook Colony ranks 44th statewide in terms of White residents as a share of the population, out of 485 places.
Since the 2020 Census, Millbrook Colony's White population has declined by an estimated 51.0%. White residents' share of Millbrook Colony's population has increased from 98.0% to 100.0%.
Millbrook Colony is more White than neighboring Rosedale Colony (0% White), Fulton (97.6% White), Alexandria (93.6% White), and Ethan (76.3% White).
Millbrook Colony's Black Population
0 residents of Millbrook Colony, or 0.0% of the population, identify as Black. The share of Black residents in Millbrook Colony is slightly lower than in South Dakota overall, where 2.1% of the population is Black. Millbrook Colony ranks 183rd statewide in terms of Black residents as a share of the population, out of 485 places.
Since the 2020 Census, Millbrook Colony's Black population has grown from 0 to an estimated 0. Black residents' share of Millbrook Colony's population has remained roughly unchanged at 0.0%.
Millbrook Colony is less Black than neighboring Ethan (11.6% Black).
Millbrook Colony's Asian Population
0 residents of Millbrook Colony, or 0.0% of the population, identify as Asian. The share of Asian residents in Millbrook Colony is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Millbrook Colony ranks 176th statewide in terms of Asian residents as a share of the population, out of 485 places.
Since the 2020 Census, Millbrook Colony's Asian population has grown from 0 to an estimated 0. Asian residents' share of Millbrook Colony's population has remained roughly unchanged at 0.0%.
Millbrook Colony's Hispanic Population
0 residents of Millbrook Colony, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Millbrook Colony is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Millbrook Colony ranks 344th statewide in terms of Hispanic residents as a share of the population, out of 485 places.
Since the 2020 Census, Millbrook Colony's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Millbrook Colony's population has decreased from 1.0% to 0.0%.
Millbrook Colony is less Hispanic than neighboring Alexandria (0.9% Hispanic), and Ethan (11.8% Hispanic).
Millbrook Colony's Native American/Other Population
0 residents of Millbrook Colony, 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 Millbrook Colony is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Millbrook Colony ranks 345th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.
Since the 2020 Census, Millbrook Colony's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Millbrook Colony's population has remained roughly unchanged at 0.0%.
Millbrook Colony is less Native American/Other than neighboring Ethan (0.3% Native American/Other).
Millbrook Colony's Multiracial Population
0 residents of Millbrook Colony, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Millbrook Colony is slightly lower than in South Dakota overall, where 4.4% of the population is Multiracial. Millbrook Colony ranks 376th statewide in terms of Multiracial residents as a share of the population, out of 485 places.
Since the 2020 Census, Millbrook Colony's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Millbrook Colony's population has decreased from 1.0% to 0.0%.
Millbrook Colony is less Multiracial than neighboring Fulton (2.4% Multiracial), and Alexandria (5.5% 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.