Plainfield, New Hampshire was chartered in 1761 and developed into an agricultural community during the 19th & 20th centuries. Having grown to encompass Plainfield Village, Meriden Village and East Plainfield it now has a population base of 2,444 residents.
Plainfield school systems include Plainfield Elementary, K thru 8th and Lebanon High School, 9th thru 12th, as well as Kimball Union Academy (KUA), a private preparatory school located in Meriden Village.