Carbon, IA Demographics

A map of Carbon's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	44	30	95.7%	83.3%
Hispanic	2	2	4.3%	5.6%
Black	0	1	0.0%	2.8%
Asian	0	1	0.0%	2.8%
Native American/Other	0	1	0.0%	2.8%
Multiracial	0	1	0.0%	2.8%

Carbon, Iowa has an estimated population of 46, a large increase from the 36 recorded in the 2020 Census. The population is 95.7% White, 4.3% Hispanic, 0.0% Black, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Carbon, with one dot drawn for each person counted by the Census, color-coded by race.

Carbon 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 Carbon, that probability was 29.9% in 2020 and 8.3% in the most recent ACS estimates.

Carbon is ranked the 949th 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). Carbon was ranked the 986th most populous place in the 2020 Census.

Carbon's White Population

44 residents of Carbon, or 95.7% of the population, identify as White. The share of White residents in Carbon is considerably higher than in Iowa overall, where 82.3% of the population is White. Carbon ranks 926th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Carbon's White population has grown by an estimated 46.7%. White residents' share of Carbon's population has increased from 83.3% to 95.7%.

Carbon is more White than neighboring Corning (91.3% White), Nodaway (84.9% White), Villisca (91.8% White), and Massena (90.3% White). Carbon is less White than neighboring Grant (100% White).

Carbon's Black Population

0 residents of Carbon, or 0.0% of the population, identify as Black. The share of Black residents in Carbon is slightly lower than in Iowa overall, where 3.8% of the population is Black. Carbon ranks 70th statewide in terms of Black residents as a share of the population, out of 1,026 places.

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

Carbon is less Black than neighboring Corning (0.6% Black), and Villisca (1.6% Black).

Carbon's Asian Population

0 residents of Carbon, or 0.0% of the population, identify as Asian. The share of Asian residents in Carbon is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Carbon ranks 46th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

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

Carbon is less Asian than neighboring Massena (1.8% Asian).

Carbon's Hispanic Population

2 residents of Carbon, or 4.3% of the population, identify as Hispanic. The share of Hispanic residents in Carbon is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Carbon ranks 199th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Carbon's Hispanic population has remained roughly the same. Hispanic residents' share of Carbon's population has decreased from 5.6% to 4.3%.

Carbon is more Hispanic than neighboring Corning (2.9% Hispanic), Grant (0% Hispanic), Villisca (2.2% Hispanic), and Massena (4.2% Hispanic). Carbon is less Hispanic than neighboring Nodaway (13.7% Hispanic).

Carbon's Native American/Other Population

0 residents of Carbon, 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 Carbon is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Carbon ranks 35th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Carbon's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Carbon's population has decreased from 2.8% to 0.0%.

Carbon is less Native American/Other than neighboring Corning (0.5% Native American/Other), and Villisca (1% Native American/Other).

Carbon's Multiracial Population

0 residents of Carbon, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Carbon is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Carbon ranks 480th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

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

Carbon is less Multiracial than neighboring Corning (4.7% Multiracial), Nodaway (1.4% Multiracial), Villisca (3.3% Multiracial), and Massena (3.7% 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.