Allen, SD Demographics

A map of Allen's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Native American/Other	715	449	91.3%	97.6%
Hispanic	68	7	8.7%	1.5%
White	0	3	0.0%	0.7%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Multiracial	0	1	0.0%	0.2%

Allen, South Dakota has an estimated population of 783, a dramatic increase from the 460 recorded in the 2020 Census. The population is 91.3% Native American/Other, 8.7% Hispanic, 0.0% White, 0.0% Black, 0.0% Asian, and 0.0% Multiracial. This demographic dot map shows the population of Allen, with one dot drawn for each person counted by the Census, color-coded by race.

Allen 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 Allen, that probability was 4.7% in 2020 and 15.9% in the most recent ACS estimates.

Allen is ranked the 102nd 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). Allen was ranked the 159th most populous place in the 2020 Census.

Allen's White Population

0 residents of Allen, or 0.0% of the population, identify as White. The share of White residents in Allen is significantly lower than in South Dakota overall, where 79.8% of the population is White. Allen ranks 465th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Allen's White population has declined by an estimated 100.0%. White residents' share of Allen's population has decreased from 0.7% to 0.0%.

Allen is less White than neighboring Martin (41.5% White), Kyle (4.9% White), Wanblee (1.5% White), and Porcupine (0.7% White).

Allen's Black Population

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

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

Allen is less Black than neighboring Kyle (1.3% Black).

Allen's Asian Population

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

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

Allen is less Asian than neighboring Martin (5.2% Asian).

Allen's Hispanic Population

68 residents of Allen, or 8.7% of the population, identify as Hispanic. The share of Hispanic residents in Allen is slightly higher than in South Dakota overall, where 4.8% of the population is Hispanic. Allen ranks 292nd statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Allen's Hispanic population has grown by an estimated 871.4%. Hispanic residents' share of Allen's population has increased from 1.5% to 8.7%.

Allen is more Hispanic than neighboring Martin (7.1% Hispanic), Batesland (0% Hispanic), Kyle (1.3% Hispanic), and Wanblee (0% Hispanic). Allen is less Hispanic than neighboring Porcupine (13% Hispanic).

Allen's Native American/Other Population

715 residents of Allen, or 91.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Allen is significantly higher than in South Dakota overall, where 7.5% of the population is Native American/Other. Allen ranks 7th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Allen's Native American/Other population has grown by an estimated 59.2%. Native American/Other residents' share of Allen's population has decreased from 97.6% to 91.3%.

Allen is more Native American/Other than neighboring Martin (43% Native American/Other), and Porcupine (86.3% Native American/Other). Allen is less Native American/Other than neighboring Batesland (100% Native American/Other), Kyle (92.2% Native American/Other), and Wanblee (98.5% Native American/Other).

Allen's Multiracial Population

0 residents of Allen, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Allen is slightly lower than in South Dakota overall, where 4.4% of the population is Multiracial. Allen ranks 403rd statewide in terms of Multiracial residents as a share of the population, out of 485 places.

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

Allen is less Multiracial than neighboring Martin (3.3% Multiracial), and Kyle (0.1% 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.