Town of Plainfield, Sullivan County, New Hampshire
The Town of Plainfield is a town in Sullivan County, New Hampshire. About 2,522 people live there (2020–2024 estimate). It covers 52.2 sq mi (135 km²) of land and uses Eastern Time. It has its own local government.
- Population, 2020–2024 estimate
- 2,522 ± 21
- County
- Sullivan County
- School district
- Plainfield School DistrictK–12 · elementary
- Land area
- 52.2 sq mi (135 km²)
- Type
- TownIts own local government
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $122,656 ± $13,190
- Median home value
- $442,400 ± $46,881
- Water area
- 0.74 sq mi (1.93 km²)
- State
- New Hampshire
- Census code (GEOID)
- 3301962340
- Coordinates (central point)
- 43.543837, -72.295537
These coordinates mark a central point for the area, not a street address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.
Census place in the Town of Plainfield
- Plainfield (CDP)220 people
This place’s central point lies inside the Town of Plainfield. A place can reach across the line, and its government, if it has one, can be separate from the town’s.
Bordering areas, nearest first
- Town of Cornish5.0 mi south
- Lebanon (city)6.7 mi north
- Town of Grantham7.6 mi east
- Town of Hartland, Windsor County, Vermont7.6 mi west
- Town of Croydon9.0 mi southeast
- Town of Enfield, Grafton County9.8 mi northeast
These towns, townships, cities and boroughs share a boundary with the Town of Plainfield. Distances are straight lines between central points, not driving distances.
Other towns in Sullivan County, largest first
- Town of Newport6,375 people
- Town of Charlestown4,889 people
- Town of Grantham3,465 people
- Town of Sunapee3,416 people
- Town of Cornish1,816 people
- Town of Unity1,375 people
- Town of Washington1,208 people
- Town of Springfield1,122 people
- Town of Goshen1,042 people
- Town of Lempster953 people
- Town of Acworth851 people
- Town of Langdon805 people
All 13
- Town of Croydon798 people
People counts are American Community Survey 2020–2024 5-year estimates. See Sullivan County for its cities, ZIP Code areas and county seat.
Sunrise and sunset in the Town of Plainfield
- Longest day
- 15 hours 25 minutes around June 21
- Shortest day
- 8 hours 57 minutes around December 21
- Earliest sunrise
- 5:07 AM around June 15
- Latest sunrise
- 7:30 AM the day before clocks go back in November
- Earliest sunset
- 4:12 PM around December 9
- Latest sunset
- 8:34 PM around June 27
Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.
| Day | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Jan 15 | 7:19 AM | 4:38 PM | 9 h 19 min |
| Feb 15 | 6:47 AM | 5:19 PM | 10 h 32 min |
| Mar 15 | 7:01 AM | 6:55 PM | 11 h 54 min |
| Apr 15 | 6:06 AM | 7:32 PM | 13 h 26 min |
| May 15 | 5:24 AM | 8:07 PM | 14 h 43 min |
| Jun 15 | 5:07 AM | 8:32 PM | 15 h 25 min |
| Jul 15 | 5:21 AM | 8:28 PM | 15 h 7 min |
| Aug 15 | 5:53 AM | 7:52 PM | 13 h 59 min |
| Sep 15 | 6:28 AM | 6:59 PM | 12 h 31 min |
| Oct 15 | 7:03 AM | 6:06 PM | 11 h 3 min |
| Nov 15 | 6:42 AM | 4:24 PM | 9 h 42 min |
| Dec 15 | 7:15 AM | 4:13 PM | 8 h 58 min |
Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.
Before using this answer on a form
A town line is not always the line on your mail: a mailing address can name another town or post office, and school districts, ZIP Codes and tax districts follow their own lines. For taxes, voting or permits, check the full address with Sullivan County or the local office.
Find the township or town where you are now or find your county.