In 2023, Buffalo, KS had a population of 290 people with a median age of 34.2 and a median household income of $68,750. Between 2022 and 2023 the population of Buffalo, KS declined from 307 to 290, a −5.54% decrease and its median household income grew from $63,750 to $68,750, a 7.84% increase.
The 5 largest ethnic groups in Buffalo, KS are White (Non-Hispanic) (94.8%), Two+ (Non-Hispanic) (4.48%), Black or African American (Hispanic) (0.69%), White (Hispanic) (0%), and Black or African American (Non-Hispanic) (0%).
None of the households in Buffalo, KS 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.
96.9% of the residents in Buffalo, KS are U.S. citizens.
In 2023, the median property value in Buffalo, KS was $35,800, and the homeownership rate was 95.7%.
Most people in Buffalo, KS drove alone to work, and the average commute time was 22.2 minutes. The average car ownership in Buffalo, KS was 4 cars per household.