Centralia, IA Demographics

A map of Centralia's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	117	110	100.0%	94.8%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Hispanic	0	3	0.0%	2.6%
Native American/Other	0	2	0.0%	1.7%
Multiracial	0	1	0.0%	0.9%

Centralia, Iowa has an estimated population of 117, a less than 1% change from the 116 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Centralia, with one dot drawn for each person counted by the Census, color-coded by race.

Centralia 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 Centralia, that probability was 10.0% in 2020 and 0.0% in the most recent ACS estimates.

Centralia is ranked the 830th 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). Centralia was ranked the 826th most populous place in the 2020 Census.

Centralia's White Population

117 residents of Centralia, or 100.0% of the population, identify as White. The share of White residents in Centralia is significantly higher than in Iowa overall, where 82.3% of the population is White. Centralia ranks 313th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Centralia's White population has grown by an estimated 6.4%. White residents' share of Centralia's population has increased from 94.8% to 100.0%.

Centralia is more White than neighboring Peosta (94.2% White), Asbury (91.8% White), and Epworth (93.1% White).

Centralia's Black Population

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

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

Centralia is less Black than neighboring Peosta (2.4% Black), Asbury (2.6% Black), and Epworth (0.4% Black).

Centralia's Asian Population

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

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

Centralia is less Asian than neighboring Peosta (0.1% Asian), and Asbury (4.5% Asian).

Centralia's Hispanic Population

0 residents of Centralia, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Centralia is lower than in Iowa overall, where 7.3% of the population is Hispanic. Centralia ranks 501st statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Centralia's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Centralia's population has decreased from 2.6% to 0.0%.

Centralia is less Hispanic than neighboring Peosta (0.9% Hispanic), Asbury (0.5% Hispanic), and Epworth (6.2% Hispanic).

Centralia's Native American/Other Population

0 residents of Centralia, 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 Centralia is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Centralia ranks 69th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Centralia's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Centralia's population has decreased from 1.7% to 0.0%.

Centralia is less Native American/Other than neighboring Peosta (0.9% Native American/Other).

Centralia's Multiracial Population

0 residents of Centralia, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Centralia is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Centralia ranks 911th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Centralia's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Centralia's population has decreased from 0.9% to 0.0%.

Centralia is less Multiracial than neighboring Peosta (1.4% Multiracial), Asbury (0.6% Multiracial), and Epworth (0.3% 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.