Underwood, IA Demographics
A map of Underwood's Population by Race
Underwood, Iowa has an estimated population of 898, a decrease from the 954 recorded in the 2020 Census. The population is 94.3% White, 3.5% Hispanic, 1.3% Asian, 0.6% Multiracial, 0.3% Native American/Other, and 0.0% Black. This demographic dot map shows the population of Underwood, with one dot drawn for each person counted by the Census, color-coded by race.
Underwood has become slightly less racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Underwood, that probability was 11.8% in 2020 and 10.9% in the most recent ACS estimates.
Underwood is ranked the 320th most populous place in Iowa, out of 1,026 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). Underwood was ranked the 294th most populous place in the 2020 Census.
Underwood's White Population
847 residents of Underwood, or 94.3% of the population, identify as White. The share of White residents in Underwood is considerably higher than in Iowa overall, where 82.3% of the population is White. Underwood ranks 420th statewide in terms of White residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Underwood's White population has declined by an estimated 5.4%. White residents' share of Underwood's population has increased from 93.8% to 94.3%.
Underwood is more White than neighboring Weston (89.6% White), and Minden (90.3% White). Underwood is less White than neighboring McClelland (99.3% White), Bentley (100% White), and Neola (95.2% White).
Underwood's Black Population
0 residents of Underwood, or 0.0% of the population, identify as Black. The share of Black residents in Underwood is slightly lower than in Iowa overall, where 3.8% of the population is Black. Underwood ranks 600th statewide in terms of Black residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Underwood's Black population has grown from 0 to an estimated 0. Black residents' share of Underwood's population has remained roughly unchanged at 0.0%.
Underwood is less Black than neighboring Neola (0.2% Black).
Underwood's Asian Population
12 residents of Underwood, or 1.3% of the population, identify as Asian. The share of Asian residents in Underwood is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Underwood ranks 131st statewide in terms of Asian residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Underwood's Asian population has grown by an estimated 20.0%. Asian residents' share of Underwood's population has remained roughly unchanged at 1.3%.
Underwood is more Asian than neighboring McClelland (0% Asian), Bentley (0% Asian), Weston (0% Asian), Neola (0% Asian), and Minden (0.6% Asian).
Underwood's Hispanic Population
31 residents of Underwood, or 3.5% of the population, identify as Hispanic. The share of Hispanic residents in Underwood is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Underwood ranks 406th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Underwood's Hispanic population has grown by an estimated 3.3%. Hispanic residents' share of Underwood's population has remained roughly unchanged at 3.5%.
Underwood is more Hispanic than neighboring McClelland (0.7% Hispanic), Bentley (0% Hispanic), and Weston (0% Hispanic). Underwood is less Hispanic than neighboring Neola (3.6% Hispanic), and Minden (5.9% Hispanic).
Underwood's Native American/Other Population
3 residents of Underwood, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Underwood is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Underwood ranks 473rd statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Underwood's Native American/Other population has remained roughly the same. Native American/Other residents' share of Underwood's population has remained roughly unchanged at 0.3%.
Underwood is more Native American/Other than neighboring McClelland (0% Native American/Other), Bentley (0% Native American/Other), Weston (0% Native American/Other), Neola (0% Native American/Other), and Minden (0% Native American/Other).
Underwood's Multiracial Population
5 residents of Underwood, or 0.6% of the population, identify as Multiracial. The share of Multiracial residents in Underwood is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Underwood ranks 771st statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.
Since the 2020 Census, Underwood's Multiracial population has declined by an estimated 68.8%. Multiracial residents' share of Underwood's population has decreased from 1.7% to 0.6%.
Underwood is more Multiracial than neighboring McClelland (0% Multiracial), and Bentley (0% Multiracial). Underwood is less Multiracial than neighboring Weston (10.4% Multiracial), Neola (1.1% Multiracial), and Minden (3.2% 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.