Fairfax, SD Demographics

A map of Fairfax's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	109	93	91.6%	96.9%
Asian	7	0	5.9%	0.0%
Multiracial	3	2	2.5%	2.1%
Black	0	0	0.0%	0.0%
Hispanic	0	0	0.0%	0.0%
Native American/Other	0	1	0.0%	1.0%

Fairfax, South Dakota has an estimated population of 119, a large increase from the 96 recorded in the 2020 Census. The population is 91.6% White, 5.9% Asian, 2.5% Multiracial, 0.0% Black, 0.0% Hispanic, and 0.0% 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 South Dakota 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 6.1% in 2020 and 15.7% in the most recent ACS estimates.

Fairfax is ranked the 284th most populous place in South Dakota, out of 485 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 327th most populous place in the 2020 Census.

Fairfax's White Population

109 residents of Fairfax, or 91.6% of the population, identify as White. The share of White residents in Fairfax is considerably higher than in South Dakota overall, where 79.8% of the population is White. Fairfax ranks 66th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Fairfax's White population has grown by an estimated 17.2%. White residents' share of Fairfax's population has decreased from 96.9% to 91.6%.

Fairfax is more White than neighboring Bonesteel (80.1% White), Butte (83.9% White), and Naper (60.7% White). Fairfax is less White than neighboring Anoka (100% White), and St. Charles (100% White).

Fairfax's Black Population

0 residents of Fairfax, or 0.0% of the population, identify as Black. The share of Black residents in Fairfax is slightly lower than in South Dakota overall, where 2.1% of the population is Black. Fairfax ranks 183rd statewide in terms of Black residents as a share of the population, out of 485 places.

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

Fairfax's Asian Population

7 residents of Fairfax, or 5.9% of the population, identify as Asian. The share of Asian residents in Fairfax is slightly higher than in South Dakota overall, where 1.4% of the population is Asian. Fairfax ranks 176th statewide in terms of Asian residents as a share of the population, out of 485 places.

Since the 2020 Census, Fairfax's Asian population has grown from 0 to an estimated 7. Asian residents' share of Fairfax's population has increased from 0.0% to 5.9%.

Fairfax is more Asian than neighboring Bonesteel (0% Asian), Anoka (0% Asian), Butte (0% Asian), St. Charles (0% Asian), and Naper (0% Asian).

Fairfax's Hispanic Population

0 residents of Fairfax, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Fairfax is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Fairfax ranks 389th statewide in terms of Hispanic residents as a share of the population, out of 485 places.

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

Fairfax is less Hispanic than neighboring Butte (15.4% Hispanic), and Naper (2.6% Hispanic).

Fairfax's Native American/Other Population

0 residents of Fairfax, 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 Fairfax is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Fairfax ranks 282nd statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Fairfax's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Fairfax's population has decreased from 1.0% to 0.0%.

Fairfax is less Native American/Other than neighboring Bonesteel (18.9% Native American/Other), Butte (0.7% Native American/Other), and Naper (36.8% Native American/Other).

Fairfax's Multiracial Population

3 residents of Fairfax, or 2.5% of the population, identify as Multiracial. The share of Multiracial residents in Fairfax is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. Fairfax ranks 299th statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Fairfax's Multiracial population has grown by an estimated 50.0%. Multiracial residents' share of Fairfax's population has remained roughly unchanged at 2.5%.

Fairfax is more Multiracial than neighboring Bonesteel (1% Multiracial), Anoka (0% Multiracial), Butte (0% Multiracial), St. Charles (0% Multiracial), and Naper (0% 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.