03753   Zip Code Grantham Sullivan NH United States

City Grantham
County Sullivan
State New Hampshire
Latitude 43.51534
Longitude -72.14798
Population 3,509
Density 124.35 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: $106,285
Median individual: $63,807

Race

Mode: 98.5% White

Gender

 53.9% female 

Rent

No data available.

Age

Median: 50.3 years old

Education

With at least college degree: 59.3%
With STEM degree: 61.3%

Marital Status

 56.7% married 

Never married: 19.2%

Labor Force Participation

 64.4% working 

Unemployed: 2.8%

Average Family Size

 2.88 people 

Commute Time

 22.5 minutes 

Health Care

 2.7% uninsured 

Poverty

 0.0%

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

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