In 2023, Bennington, ID had a population of 120 people with a median age of 60.3 and a median household income of $101,058. Between 2022 and 2023 the population of Bennington, ID declined from 142 to 120, a −15.5% decrease and its median household income grew from $95,341 to $101,058, a 6% increase.
The 5 largest ethnic groups in Bennington, ID are White (Non-Hispanic) (100%), Black or African American (Non-Hispanic) (0%), American Indian & Alaska Native (Non-Hispanic) (0%), Asian (Non-Hispanic) (0%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0%).
None of the households in Bennington, ID 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.
100% of the residents in Bennington, ID are U.S. citizens.