In 2021, Buffalo, IA had a population of 968 people with a median age of 45.4 and a median household income of $69,148. Between 2020 and 2021 the population of Buffalo, IA declined from 1,090 to 968, a −11.2% decrease and its median household income declined from $69,688 to $69,148, a −0.775% decrease.
The 5 largest ethnic groups in Buffalo, IA are White (Non-Hispanic) (88.8%), Other (Non-Hispanic) (6.3%), Other (Hispanic) (2.58%), Asian (Non-Hispanic) (1.03%), and White (Hispanic) (0.413%).
None of the households in Buffalo, IA 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.
98.9% of the residents in Buffalo, IA are U.S. citizens.
In 2021, the median property value in Buffalo, IA was $113,300, and the homeownership rate was 75.3%.
Most people in Buffalo, IA drove alone to work, and the average commute time was 29.7 minutes. The average car ownership in Buffalo, IA was 2 cars per household.