ZIP code 03781: Plainfield, NH
03781 is a ZIP code in Plainfield, New Hampshire, mainly in Sullivan County, part of the Lebanon-Claremont, NH-VT micro area. About 1,918 people live here.
- Population
- 1,918
- Median household income
- $109,659
- Typical home value
- $524,200+2.4% in 12 months
- Median rent
- $1,604gross, per month
- Median age
- 38.8
- Homeowners
- 86.5%of occupied homes
Shaded: ZIP code 03781's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 03781 details
| City | Plainfield |
|---|---|
| State | New Hampshire |
| County | Sullivan County |
| Metro area | Lebanon-Claremont, NH-VT |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 47.9 sq mi, plus 0.7 sq mi of water |
| Population density | 40 people per sq mi |
| Bachelor's degree or higher | 46.3% of adults 25+ |
| Average commute | 20 minutes |
| Center coordinates | 43.56006, -72.29935 |
ZIP codes near 03781
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 03770 | Meriden, NH | 2.8 mi | 604 |
| 05052 | North Hartland, VT | 4.0 mi | 346 |
| 03746 | Cornish Flat, NH | 4.4 mi | — |
| 03784 | West Lebanon, NH | 5.4 mi | 3,804 |
| 03766 | Lebanon, NH | 6.0 mi | 11,195 |
| 03745 | Cornish, NH | 6.0 mi | 1,816 |
| 03756 | Lebanon, NH | 6.2 mi | — |
| 05049 | Hartland Four Corners, VT | 6.3 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 03781?
A typical home in ZIP code 03781 is worth about $524,200 (Zillow Home Value Index). The median household here earns $109,659 a year. See what buying here would cost per month, with New Hampshire average taxes and insurance filled in.
Monthly payment for a $524,200 homeWhat can a $109,659 income afford?Rental property numbers
About ZIP code 03781
What city is ZIP code 03781?
ZIP code 03781 is in Plainfield, NH, in Sullivan County.
What county is ZIP code 03781 in?
03781 is mainly in Sullivan County, New Hampshire.
What is the population of ZIP code 03781?
About 1,918 people live in ZIP code 03781, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 03781 in?
03781 is in Eastern Time (UTC−5). It observes daylight saving time.