03781   Zip Code Plainfield Sullivan NH United States

City Plainfield
County Sullivan
State New Hampshire
Latitude 43.5526
Longitude -72.28399
Population 1,918
Density 40.16 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $109,659
Median individual: $53,672

Race

Mode: 89.9% White

Gender

 54.4% female 

Rent

  $1604 / month  

Median house value: $438,270.0

Age

Median: 38.8 years old

Education

With at least college degree: 46.4%
With STEM degree: 69.1%

Marital Status

 61.2% married 

Never married: 23.8%

Labor Force Participation

 60.7% working 

Unemployed: 0.1%

Average Family Size

 3.23 people 

Commute Time

 20.0 minutes 

Health Care

 3.4% uninsured 

Poverty

 4.0%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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