In 2023, Petersham, MA had a population of 252 people with a median age of 57.8 and a median household income of $105,938. Between 2022 and 2023 the population of Petersham, MA declined from 275 to 252, a −8.36% decrease and its median household income grew from $76,328 to $105,938, a 38.8% increase.
The 5 largest ethnic groups in Petersham, MA are White (Non-Hispanic) (92.9%), Two+ (Non-Hispanic) (4.76%), Two+ (Hispanic) (2.38%), White (Hispanic) (0%), and Black or African American (Non-Hispanic) (0%).
None of the households in Petersham, MA 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 Petersham, MA are U.S. citizens.
In 2023, the median property value in Petersham, MA was $372,400, and the homeownership rate was 92%.
Most people in Petersham, MA drove alone to work, and the average commute time was 27.5 minutes. The average car ownership in Petersham, MA was 2 cars per household.