What city is ZIP code 03780?

ZIP code 03780 is in North Haverhill, NH (Grafton County).

What county is ZIP code 03780 in?

ZIP code 03780 is mostly in Grafton County, New Hampshire.

How many people live in ZIP code 03780?

About 1,071 people live in the 03780 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 03780

North Haverhill, NH, Grafton County

Population

1,071

Land area

19.8sq mi

People per sq mi

City

North Haverhill

ZIP 03780 and nearby ZIP codes

Full map

ZIP 03780 at a glance

ZIP 03780 (North Haverhill) is 65% less dense than New Hampshire as a whole.
The median household income is $189,550, 91% above the New Hampshire median of $99,031.
A typical owner-occupied home is valued at $617,800 (53% above New Hampshire).

Local data for ZIP 03780

Counts from official public data

Housing and community stats

ZIP 03780, American Community Survey 2020-2024

Full profile

Median household income

$189,550

Poverty rate

7.6%

Median home value

$617,800

Homeownership

99.4%

Bachelor's or higher

60.8%

Median age

54.2

Average commute

20.8 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

$2.8M annual payroll

PPP loans

$1.3M

15 loans

Campaign donations

$256

59% D, 0% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 03780, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: landslide

Storm events since 1996

1,307

Countywide, mostly thunderstorm wind

Flood insurance policies

330

1.1% of homes, county

July high / Jan low

77° / 7°F

41.3 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 03780, CDC PLACES estimates

All 40 measures

Obesity

27.8%

U.S. 33.3% -5.5 pts

Diabetes

11.1%

U.S. 12.1% -1.0 pts

Smoking

13.0%

U.S. 12.8% about the same

Uninsured (18-64)

7.4%

U.S. 11.1% -3.7 pts

Frequently asked questions

What city is ZIP code 03780?: ZIP code 03780 is in North Haverhill, NH (Grafton County).
What county is ZIP code 03780 in?: ZIP code 03780 is mostly in Grafton County, New Hampshire.
How many people live in ZIP code 03780?: About 1,071 people live in the 03780 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.