Castana, IA Demographics

A map of Castana's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	155	99	95.7%	92.5%
Multiracial	7	5	4.3%	4.7%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Hispanic	0	3	0.0%	2.8%
Native American/Other	0	0	0.0%	0.0%

Castana, Iowa has an estimated population of 162, a dramatic increase from the 107 recorded in the 2020 Census. The population is 95.7% White, 4.3% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Castana, with one dot drawn for each person counted by the Census, color-coded by race.

Castana has become considerably 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 Castana, that probability was 14.1% in 2020 and 8.3% in the most recent ACS estimates.

Castana is ranked the 747th 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). Castana was ranked the 851st most populous place in the 2020 Census.

Castana's White Population

155 residents of Castana, or 95.7% of the population, identify as White. The share of White residents in Castana is considerably higher than in Iowa overall, where 82.3% of the population is White. Castana ranks 552nd statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Castana's White population has grown by an estimated 56.6%. White residents' share of Castana's population has increased from 92.5% to 95.7%.

Castana is more White than neighboring Rodney (69.2% White), Mapleton (92.7% White), and Smithland (87.6% White). Castana is less White than neighboring Turin (98.5% White), and Soldier (97% White).

Castana's Black Population

0 residents of Castana, or 0.0% of the population, identify as Black. The share of Black residents in Castana is slightly lower than in Iowa overall, where 3.8% of the population is Black. Castana ranks 600th statewide in terms of Black residents as a share of the population, out of 1,026 places.

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

Castana's Asian Population

0 residents of Castana, or 0.0% of the population, identify as Asian. The share of Asian residents in Castana is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Castana ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

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

Castana is less Asian than neighboring Smithland (2.2% Asian).

Castana's Hispanic Population

0 residents of Castana, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Castana is lower than in Iowa overall, where 7.3% of the population is Hispanic. Castana ranks 458th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Castana's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Castana's population has decreased from 2.8% to 0.0%.

Castana is less Hispanic than neighboring Mapleton (6.5% Hispanic), and Smithland (8% Hispanic).

Castana's Native American/Other Population

0 residents of Castana, 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 Castana is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Castana ranks 637th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Castana's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Castana's population has remained roughly unchanged at 0.0%.

Castana is less Native American/Other than neighboring Soldier (2.3% Native American/Other).

Castana's Multiracial Population

7 residents of Castana, or 4.3% of the population, identify as Multiracial. The share of Multiracial residents in Castana is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Castana ranks 145th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Castana's Multiracial population has grown by an estimated 40.0%. Multiracial residents' share of Castana's population has remained roughly unchanged at 4.3%.

Castana is more Multiracial than neighboring Turin (1.5% Multiracial), Mapleton (0.8% Multiracial), Smithland (2.2% Multiracial), and Soldier (0.8% Multiracial). Castana is less Multiracial than neighboring Rodney (30.8% 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.