The housing choices as a retirement community are somewhat limited in town, mostly in the form of private homes. Some retirees live here for the summer, and then migrate to a warmer climate. These resorts have an array of condos and homes. There is one very interesting new age type of retirement community here (see Active Communities link at left)
According to Zillow, the median home value in Peterborough was $250,900 in mid-2019. Prices tend to be a bit more expensive when compared to other parts of rural New Hampshire or Vermont.