Angostura, SD Demographics

A map of Angostura's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	134	143	93.1%	89.9%
Multiracial	10	8	6.9%	5.0%
Black	0	0	0.0%	0.0%
Asian	0	2	0.0%	1.3%
Hispanic	0	2	0.0%	1.3%
Native American/Other	0	4	0.0%	2.5%

Angostura, South Dakota has an estimated population of 144, a decrease from the 159 recorded in the 2020 Census. The population is 93.1% White, 6.9% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Angostura, with one dot drawn for each person counted by the Census, color-coded by race.

Angostura 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 Angostura, that probability was 18.8% in 2020 and 12.9% in the most recent ACS estimates.

Angostura is ranked the 266th 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). Angostura was ranked the 252nd most populous place in the 2020 Census.

Angostura's White Population

134 residents of Angostura, or 93.1% of the population, identify as White. The share of White residents in Angostura is considerably higher than in South Dakota overall, where 79.8% of the population is White. Angostura ranks 243rd statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Angostura's White population has declined by an estimated 6.3%. White residents' share of Angostura's population has increased from 89.9% to 93.1%.

Angostura is more White than neighboring Hot Springs (79.7% White), and Smithwick (84% White). Angostura is less White than neighboring Maverick Junction (100% White), Oral (100% White), and Buffalo Gap (98.5% White).

Angostura's Black Population

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

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

Angostura's Asian Population

0 residents of Angostura, or 0.0% of the population, identify as Asian. The share of Asian residents in Angostura is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Angostura ranks 35th statewide in terms of Asian residents as a share of the population, out of 485 places.

Since the 2020 Census, Angostura's Asian population has declined by an estimated 100.0%. Asian residents' share of Angostura's population has decreased from 1.3% to 0.0%.

Angostura is less Asian than neighboring Hot Springs (3.9% Asian).

Angostura's Hispanic Population

0 residents of Angostura, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Angostura is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Angostura ranks 322nd statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Angostura's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Angostura's population has decreased from 1.3% to 0.0%.

Angostura is less Hispanic than neighboring Hot Springs (2.6% Hispanic), and Smithwick (4% Hispanic).

Angostura's Native American/Other Population

0 residents of Angostura, 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 Angostura is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Angostura ranks 189th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Angostura's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Angostura's population has decreased from 2.5% to 0.0%.

Angostura is less Native American/Other than neighboring Hot Springs (8.7% Native American/Other).

Angostura's Multiracial Population

10 residents of Angostura, or 6.9% of the population, identify as Multiracial. The share of Multiracial residents in Angostura is slightly higher than in South Dakota overall, where 4.4% of the population is Multiracial. Angostura ranks 109th statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Angostura's Multiracial population has grown by an estimated 25.0%. Multiracial residents' share of Angostura's population has increased from 5.0% to 6.9%.

Angostura is more Multiracial than neighboring Maverick Junction (0% Multiracial), Hot Springs (5% Multiracial), Oral (0% Multiracial), and Buffalo Gap (1.5% Multiracial). Angostura is less Multiracial than neighboring Smithwick (12% 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.