New Underwood, SD Demographics
A map of New Underwood's Population by Race
New Underwood, South Dakota has an estimated population of 509, a large decrease from the 590 recorded in the 2020 Census. The population is 83.1% White, 10.0% Hispanic, 4.1% Multiracial, 2.8% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of New Underwood, with one dot drawn for each person counted by the Census, color-coded by race.
New Underwood 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 New Underwood, that probability was 25.3% in 2020 and 29.7% in the most recent ACS estimates.
New Underwood is ranked the 151st 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). New Underwood was ranked the 123rd most populous place in the 2020 Census.
New Underwood's White Population
423 residents of New Underwood, or 83.1% of the population, identify as White. The share of White residents in New Underwood is slightly higher than in South Dakota overall, where 79.8% of the population is White. New Underwood ranks 311th statewide in terms of White residents as a share of the population, out of 485 places.
Since the 2020 Census, New Underwood's White population has declined by an estimated 16.7%. White residents' share of New Underwood's population has decreased from 86.1% to 83.1%.
New Underwood is more White than neighboring Box Elder (71.1% White), Green Valley (66.5% White), and Rapid Valley (75.8% White). New Underwood is less White than neighboring Caputa (100% White), and Ashland Heights (92.6% White).
New Underwood's Black Population
0 residents of New Underwood, or 0.0% of the population, identify as Black. The share of Black residents in New Underwood is slightly lower than in South Dakota overall, where 2.1% of the population is Black. New Underwood ranks 158th statewide in terms of Black residents as a share of the population, out of 485 places.
Since the 2020 Census, New Underwood's Black population has declined by an estimated 100.0%. Black residents' share of New Underwood's population has remained roughly unchanged at 0.0%.
New Underwood is less Black than neighboring Box Elder (2.8% Black), and Rapid Valley (1.2% Black).
New Underwood's Asian Population
0 residents of New Underwood, or 0.0% of the population, identify as Asian. The share of Asian residents in New Underwood is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. New Underwood ranks 39th statewide in terms of Asian residents as a share of the population, out of 485 places.
Since the 2020 Census, New Underwood's Asian population has declined by an estimated 100.0%. Asian residents' share of New Underwood's population has decreased from 1.2% to 0.0%.
New Underwood is less Asian than neighboring Box Elder (1.1% Asian), and Rapid Valley (3.6% Asian).
New Underwood's Hispanic Population
51 residents of New Underwood, or 10.0% of the population, identify as Hispanic. The share of Hispanic residents in New Underwood is higher than in South Dakota overall, where 4.8% of the population is Hispanic. New Underwood ranks 237th statewide in terms of Hispanic residents as a share of the population, out of 485 places.
Since the 2020 Census, New Underwood's Hispanic population has grown by an estimated 292.3%. Hispanic residents' share of New Underwood's population has increased from 2.2% to 10.0%.
New Underwood is more Hispanic than neighboring Caputa (0% Hispanic), Box Elder (8.2% Hispanic), Rapid Valley (3.5% Hispanic), and Ashland Heights (0% Hispanic). New Underwood is less Hispanic than neighboring Green Valley (12.7% Hispanic).
New Underwood's Native American/Other Population
14 residents of New Underwood, or 2.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in New Underwood is slightly lower than in South Dakota overall, where 7.5% of the population is Native American/Other. New Underwood ranks 127th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.
Since the 2020 Census, New Underwood's Native American/Other population has declined by an estimated 54.8%. Native American/Other residents' share of New Underwood's population has decreased from 5.3% to 2.8%.
New Underwood is more Native American/Other than neighboring Caputa (0% Native American/Other), Green Valley (1.6% Native American/Other), and Ashland Heights (0% Native American/Other). New Underwood is less Native American/Other than neighboring Box Elder (8.3% Native American/Other), and Rapid Valley (6.2% Native American/Other).
New Underwood's Multiracial Population
21 residents of New Underwood, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in New Underwood is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. New Underwood ranks 108th statewide in terms of Multiracial residents as a share of the population, out of 485 places.
Since the 2020 Census, New Underwood's Multiracial population has declined by an estimated 30.0%. Multiracial residents' share of New Underwood's population has decreased from 5.1% to 4.1%.
New Underwood is more Multiracial than neighboring Caputa (0% Multiracial). New Underwood is less Multiracial than neighboring Box Elder (8.4% Multiracial), Green Valley (19.1% Multiracial), Rapid Valley (9.7% Multiracial), and Ashland Heights (7.4% 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.