Colfax, IA Demographics

A map of Colfax's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,059	2,066	93.2%	91.6%
Hispanic	54	63	2.4%	2.8%
Multiracial	51	75	2.3%	3.3%
Asian	24	13	1.1%	0.6%
Black	22	13	1.0%	0.6%
Native American/Other	0	25	0.0%	1.1%

Colfax, Iowa has an estimated population of 2,210, a slight decrease from the 2,255 recorded in the 2020 Census. The population is 93.2% White, 2.4% Hispanic, 2.3% Multiracial, 1.1% Asian, 1.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Colfax, with one dot drawn for each person counted by the Census, color-coded by race.

Colfax has become 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 Colfax, that probability was 15.8% in 2020 and 13.1% in the most recent ACS estimates.

Colfax is ranked the 155th 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). Colfax was ranked the 153rd most populous place in the 2020 Census.

Colfax's White Population

2,059 residents of Colfax, or 93.2% of the population, identify as White. The share of White residents in Colfax is considerably higher than in Iowa overall, where 82.3% of the population is White. Colfax ranks 638th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Colfax's White population has remained roughly the same. White residents' share of Colfax's population has increased from 91.6% to 93.2%.

Colfax is more White than neighboring Mitchellville (88.5% White). Colfax is less White than neighboring Prairie City (96.4% White), Mingo (97% White), Valeria (100% White), and Lambs Grove (98.9% White).

Colfax's Black Population

22 residents of Colfax, or 1.0% of the population, identify as Black. The share of Black residents in Colfax is slightly lower than in Iowa overall, where 3.8% of the population is Black. Colfax ranks 338th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Colfax's Black population has grown by an estimated 69.2%. Black residents' share of Colfax's population has remained roughly unchanged at 1.0%.

Colfax is more Black than neighboring Prairie City (0.6% Black), Valeria (0% Black), and Lambs Grove (0% Black). Colfax is less Black than neighboring Mingo (1.2% Black), and Mitchellville (3.2% Black).

Colfax's Asian Population

24 residents of Colfax, or 1.1% of the population, identify as Asian. The share of Asian residents in Colfax is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Colfax ranks 256th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Colfax's Asian population has grown by an estimated 84.6%. Asian residents' share of Colfax's population has increased from 0.6% to 1.1%.

Colfax is more Asian than neighboring Prairie City (0.1% Asian), Mingo (0% Asian), Valeria (0% Asian), Mitchellville (0.4% Asian), and Lambs Grove (0% Asian).

Colfax's Hispanic Population

54 residents of Colfax, or 2.4% of the population, identify as Hispanic. The share of Hispanic residents in Colfax is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Colfax ranks 460th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Colfax's Hispanic population has declined by an estimated 14.3%. Hispanic residents' share of Colfax's population has remained roughly unchanged at 2.4%.

Colfax is more Hispanic than neighboring Prairie City (1.1% Hispanic), Mingo (0% Hispanic), Valeria (0% Hispanic), and Lambs Grove (1.1% Hispanic). Colfax is less Hispanic than neighboring Mitchellville (4.5% Hispanic).

Colfax's Native American/Other Population

0 residents of Colfax, 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 Colfax is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Colfax ranks 123rd statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Colfax's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Colfax's population has decreased from 1.1% to 0.0%.

Colfax is less Native American/Other than neighboring Mitchellville (0.6% Native American/Other).

Colfax's Multiracial Population

51 residents of Colfax, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Colfax is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Colfax ranks 332nd statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Colfax's Multiracial population has declined by an estimated 32.0%. Multiracial residents' share of Colfax's population has decreased from 3.3% to 2.3%.

Colfax is more Multiracial than neighboring Prairie City (1.8% Multiracial), Mingo (1.8% Multiracial), Valeria (0% Multiracial), and Lambs Grove (0% Multiracial). Colfax is less Multiracial than neighboring Mitchellville (2.7% 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.