ZIP Code Tabulation Area · New Hampshire

ZIP Code 03780: Grafton County, NH

ZIP Code 03780 (Grafton County, New Hampshire) has an estimated 1,071 residents in 362 households. The median household income is $189,550, the median home value is $617,800 and the median gross rent is —. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Some estimates have a large margin of error. 6 figures for this ZIP (households, household income, per capita income, bachelor's or higher, home value, commute) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

1,071

Margin of error ±495

Median household income

$189,550*

Margin of error ±$160,063· estimate has a large margin of error

Median home value

$617,800*

Margin of error ±$422,780· estimate has a large margin of error

Median gross rent

—

Margin of error not available

Median age

54.2 yrs

Margin of error ±9.0 yrs

Mean travel time to work

20.8 min*

Margin of error ±17.2 min· estimate has a large margin of error

How ZIP 03780 compares with New Hampshire and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 0378054.2 yrsNew Hampshire43.3 yrsUnited States38.9 yrs

Median household income

ZIP 03780$189,550*New Hampshire$99,031United States$80,734

Per capita income

ZIP 03780$153,359*New Hampshire$52,798United States$44,673

Poverty rate

ZIP 037807.6%New Hampshire7.2%United States12.5%

Unemployment rate

ZIP 037800.0%New Hampshire3.3%United States5.2%

Bachelor's degree or higher

ZIP 0378060.8%*New Hampshire40.6%United States35.7%

Median home value

ZIP 03780$617,800*New Hampshire$402,500United States$332,700

Median gross rent

ZIP 03780—New Hampshire$1,491/moUnited States$1,413/mo

Owner-occupied homes

ZIP 0378099.4%New Hampshire72.8%United States65.2%

Mean travel time to work

ZIP 0378020.8 min*New Hampshire26.7 minUnited States26.4 min

Worked from home

ZIP 037800.5%New Hampshire16.8%United States15.1%

All figures for ZIP 03780

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 03780 — ACS 2020–2024 5-year estimates
MeasureZIP 03780Margin of errorNew HampshireUnited States
Total population1,071±4951,394,868334,922,499
Median age54.2 yrs±9.0 yrs43.3 yrs38.9 yrs
Households362*±185555,822129,227,496
Median household income$189,550*±$160,063$99,031$80,734
Per capita income$153,359*±$92,800$52,798$44,673
Poverty rate7.6%±6.5 pts7.2%12.5%
Unemployment rate0.0%±1.6 pts3.3%5.2%
Bachelor's degree or higher60.8%*±30.2 pts40.6%35.7%
Median home value$617,800*±$422,780$402,500$332,700
Median gross rent——$1,491/mo$1,413/mo
Owner-occupied homes99.4%±5.4 pts72.8%65.2%
Mean travel time to work20.8 min*±17.2 min26.7 min26.4 min
Worked from home0.5%±2.3 pts16.8%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 03780
GroupZIP 03780New HampshireUnited States
White alone, not Hispanic or Latino96.0%86.9%57.4%
Black or African American alone, not Hispanic or Latino0.0%1.3%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.1%0.5%
Asian alone, not Hispanic or Latino3.9%2.6%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.0%0.2%
Some other race alone, not Hispanic or Latino0.0%0.4%0.6%
Two or more races, not Hispanic or Latino0.1%4.0%4.3%
Hispanic or Latino (of any race)0.0%4.7%19.3%

Where ZIP 03780 is

State
New Hampshire
Main county
Grafton County
Land area
19.81 sq mi· about 54 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Grafton County

03266 Grafton County, NH03279 Grafton County, NH03282 Grafton County, NH03285 Grafton County, NH03293 Grafton County, NH03561 Grafton County, NH03574 Grafton County, NH03580 Grafton County, NH03585 Grafton County, NH03586 Grafton County, NH03740 Grafton County, NH03741 Grafton County, NH03748 Grafton County, NH03750 Grafton County, NH03755 Grafton County, NH03765 Grafton County, NH03766 Lebanon, NH03768 Grafton County, NH03771 Grafton County, NH03774 Grafton County, NH03777 Grafton County, NH03779 Grafton County, NH03784 Lebanon, NH03785 Grafton County, NH

See every ZIP code in New Hampshire, or compare ZIP 03780 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.