Barnum, IA Demographics

A map of Barnum's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	240	161	96.0%	92.0%
Multiracial	8	8	3.2%	4.6%
Hispanic	2	4	0.8%	2.3%
Black	0	1	0.0%	0.6%
Asian	0	0	0.0%	0.0%
Native American/Other	0	1	0.0%	0.6%

Barnum, Iowa has an estimated population of 250, a dramatic increase from the 175 recorded in the 2020 Census. The population is 96.0% White, 3.2% Multiracial, 0.8% Hispanic, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Barnum, with one dot drawn for each person counted by the Census, color-coded by race.

Barnum 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 Barnum, that probability was 15.1% in 2020 and 7.7% in the most recent ACS estimates.

Barnum is ranked the 654th 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). Barnum was ranked the 725th most populous place in the 2020 Census.

Barnum's White Population

240 residents of Barnum, or 96.0% of the population, identify as White. The share of White residents in Barnum is considerably higher than in Iowa overall, where 82.3% of the population is White. Barnum ranks 609th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Barnum's White population has grown by an estimated 49.1%. White residents' share of Barnum's population has increased from 92.0% to 96.0%.

Barnum is more White than neighboring Clare (93.8% White), Moorland (94.6% White), Somers (80.5% White), and Callender (93.7% White). Barnum is less White than neighboring Knierim (97.4% White).

Barnum's Black Population

0 residents of Barnum, or 0.0% of the population, identify as Black. The share of Black residents in Barnum is slightly lower than in Iowa overall, where 3.8% of the population is Black. Barnum ranks 341st statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Barnum's Black population has declined by an estimated 100.0%. Black residents' share of Barnum's population has decreased from 0.6% to 0.0%.

Barnum is less Black than neighboring Clare (2.3% Black).

Barnum's Asian Population

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

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

Barnum's Hispanic Population

2 residents of Barnum, or 0.8% of the population, identify as Hispanic. The share of Hispanic residents in Barnum is lower than in Iowa overall, where 7.3% of the population is Hispanic. Barnum ranks 557th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Barnum's Hispanic population has declined by an estimated 50.0%. Hispanic residents' share of Barnum's population has decreased from 2.3% to 0.8%.

Barnum is more Hispanic than neighboring Knierim (0% Hispanic), and Somers (0% Hispanic). Barnum is less Hispanic than neighboring Clare (1.6% Hispanic), Moorland (3% Hispanic), and Callender (1.7% Hispanic).

Barnum's Native American/Other Population

0 residents of Barnum, 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 Barnum is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Barnum ranks 291st statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Barnum's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Barnum's population has decreased from 0.6% to 0.0%.

Barnum is less Native American/Other than neighboring Callender (0.7% Native American/Other).

Barnum's Multiracial Population

8 residents of Barnum, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Barnum is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Barnum ranks 157th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Barnum's Multiracial population has remained roughly the same. Multiracial residents' share of Barnum's population has decreased from 4.6% to 3.2%.

Barnum is more Multiracial than neighboring Clare (2.3% Multiracial), Moorland (2.4% Multiracial), and Knierim (2.6% Multiracial). Barnum is less Multiracial than neighboring Somers (19.5% Multiracial), and Callender (3.9% 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.