Fairfax, IA Demographics

A map of Fairfax's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,517	2,581	86.8%	91.3%
Hispanic	155	77	5.3%	2.7%
Multiracial	93	93	3.2%	3.3%
Black	75	41	2.6%	1.4%
Asian	48	31	1.7%	1.1%
Native American/Other	12	5	0.4%	0.2%

Fairfax, Iowa has an estimated population of 2,900, a slight increase from the 2,828 recorded in the 2020 Census. The population is 86.8% White, 5.3% Hispanic, 3.2% Multiracial, 2.6% Black, 1.7% Asian, and 0.4% Native American/Other. This demographic dot map shows the population of Fairfax, with one dot drawn for each person counted by the Census, color-coded by race.

Fairfax has become considerably more 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 Fairfax, that probability was 16.5% in 2020 and 24.2% in the most recent ACS estimates.

Fairfax is ranked the 125th 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). Fairfax was ranked the 126th most populous place in the 2020 Census.

Fairfax's White Population

2,517 residents of Fairfax, or 86.8% of the population, identify as White. The share of White residents in Fairfax is slightly higher than in Iowa overall, where 82.3% of the population is White. Fairfax ranks 668th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fairfax's White population has declined by an estimated 2.5%. White residents' share of Fairfax's population has decreased from 91.3% to 86.8%.

Fairfax is more White than neighboring Cedar Rapids (77.5% White). Fairfax is less White than neighboring Walford (94.1% White), Atkins (95.9% White), Swisher (90.9% White), and Palo (93.9% White).

Fairfax's Black Population

75 residents of Fairfax, or 2.6% of the population, identify as Black. The share of Black residents in Fairfax is comparable to the share in Iowa overall, where 3.8% of the population is Black. Fairfax ranks 138th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fairfax's Black population has grown by an estimated 82.9%. Black residents' share of Fairfax's population has increased from 1.4% to 2.6%.

Fairfax is more Black than neighboring Walford (0.2% Black), Atkins (0.4% Black), Swisher (2.4% Black), and Palo (1.1% Black). Fairfax is less Black than neighboring Cedar Rapids (8.5% Black).

Fairfax's Asian Population

48 residents of Fairfax, or 1.7% of the population, identify as Asian. The share of Asian residents in Fairfax is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Fairfax ranks 123rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fairfax's Asian population has grown by an estimated 54.8%. Asian residents' share of Fairfax's population has increased from 1.1% to 1.7%.

Fairfax is more Asian than neighboring Walford (0% Asian), Atkins (0.4% Asian), Swisher (0.1% Asian), and Palo (0.2% Asian). Fairfax is less Asian than neighboring Cedar Rapids (2.6% Asian).

Fairfax's Hispanic Population

155 residents of Fairfax, or 5.3% of the population, identify as Hispanic. The share of Hispanic residents in Fairfax is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Fairfax ranks 480th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fairfax's Hispanic population has grown by an estimated 101.3%. Hispanic residents' share of Fairfax's population has increased from 2.7% to 5.3%.

Fairfax is more Hispanic than neighboring Walford (1% Hispanic), Atkins (0.1% Hispanic), Cedar Rapids (5.2% Hispanic), Swisher (4.4% Hispanic), and Palo (0.6% Hispanic).

Fairfax's Native American/Other Population

12 residents of Fairfax, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Fairfax is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Fairfax ranks 584th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fairfax's Native American/Other population has grown by an estimated 140.0%. Native American/Other residents' share of Fairfax's population has remained roughly unchanged at 0.4%.

Fairfax is more Native American/Other than neighboring Walford (0.2% Native American/Other), Atkins (0% Native American/Other), and Palo (0% Native American/Other). Fairfax is less Native American/Other than neighboring Cedar Rapids (0.6% Native American/Other).

Fairfax's Multiracial Population

93 residents of Fairfax, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Fairfax is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Fairfax ranks 343rd statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fairfax's Multiracial population has remained roughly the same. Multiracial residents' share of Fairfax's population has remained roughly unchanged at 3.2%.

Fairfax is more Multiracial than neighboring Swisher (1.8% Multiracial). Fairfax is less Multiracial than neighboring Walford (4.7% Multiracial), Cedar Rapids (5.6% Multiracial), and Palo (4.2% 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.