Plainfield, New Hampshire

Plainfield, New Hampshire
Meriden Hill c. 1908
Seal
Location in Sullivan County and the state of New Hampshire.
Coordinates: 43°32′03″N 72°21′22″W / 43.53417°N 72.35611°W / 43.53417; -72.35611
Country	United States
State	New Hampshire
County	Sullivan
Incorporated	1761
Villages	Plainfield East Plainfield Meriden
Government
• Select Board	Eric R. Brann Ron C. Eberhardt Amy S. Lappin
• Town Administrator	Stephen Halleran
Area [1]
• Total	53.0 sq mi (137.2 km2)
• Land	52.2 sq mi (135.3 km2)
• Water	0.7 sq mi (1.9 km2)  1.40%
Elevation	522 ft (159 m)
Population  (2020)
• Total	2,459
• Density	47/sq mi (18.2/km2)
Time zone	UTC-5 (Eastern)
• Summer (DST)	UTC-4 (Eastern)
ZIP Codes	03781 (Plainfield) 03770 (Meriden)
Area code	603
FIPS code	33-62340
GNIS feature ID	0873700
Website	www.plainfieldnh.org

Plainfield is a town in Sullivan County, New Hampshire, United States. At the time of the 2020 census, the town had a population of 2,459.^[2] The town is home to the Helen Woodruff Smith Bird Sanctuary and Annie Duncan State Forest.

The village of Plainfield, where 178 people resided at the 2020 census,^[3] is defined as the Plainfield census-designated place (CDP) and is located in the western part of the town along New Hampshire Route 12A. Plainfield also includes the village of Meriden, home to Kimball Union Academy, a private preparatory school.