A fen is a particular type of low-lying bog[?]ecosystem fed by groundwater and runoff, and containing peat below the waterline. It may feature waterways and standing water. It differs from a marsh, which contains a permanent body of water but no peat.
... $68,544, and the median income for a family is $71,784. Males have a median income of $50,361 versus $31,709 for females. The per capita income for the town is $24,031 ...