In 2023, Fairfax, SD had a population of 143 people with a median age of 32.4 and a median household income of $66,875. Between 2022 and 2023 the population of Fairfax, SD grew from 135 to 143, a 5.93% increase and its median household income grew from $41,250 to $66,875, a 62.1% increase.
The 5 largest ethnic groups in Fairfax, SD are White (Non-Hispanic) (98.6%), Asian (Non-Hispanic) (1.4%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Fairfax, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.6% of the residents in Fairfax, SD are U.S. citizens.
In 2023, the median property value in Fairfax, SD was $62,000, and the homeownership rate was 84.1%.
Most people in Fairfax, SD drove alone to work, and the average commute time was 48.2 minutes. The average car ownership in Fairfax, SD was 3 cars per household.