In 2023, Buffalo, SD had a population of 282 people with a median age of 54.6 and a median household income of $81,607. Between 2022 and 2023 the population of Buffalo, SD declined from 328 to 282, a −14% decrease and its median household income grew from $71,625 to $81,607, a 13.9% increase.
The 5 largest ethnic groups in Buffalo, SD are White (Non-Hispanic) (94.3%), Other (Non-Hispanic) (2.13%), White (Hispanic) (1.42%), Two+ (Non-Hispanic) (1.06%), and Two+ (Hispanic) (1.06%).
None of the households in Buffalo, 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.
99.6% of the residents in Buffalo, SD are U.S. citizens.
In 2023, the median property value in Buffalo, SD was $112,500, and the homeownership rate was 77.6%.
Most people in Buffalo, SD drove alone to work, and the average commute time was 7.97 minutes. The average car ownership in Buffalo, SD was 2 cars per household.