Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/NH/HENNIKER

Henniker ZIP code, New Hampshire

The ZIP code for Henniker, NH is 03242, and its area code is 603.

USPS city name
1 ZIP code
Population
2,993
Area code
603

Henniker in numbers

About 2,993 people live in Henniker, in 938 households, the 37th-largest of New Hampshire's 100 census places. The median household income is $76,326 a year, 23% below the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $296,400 (26% below the New Hampshire median), and median gross rent is $1,056 a month. The median age is 22.3; 24.4% of adults 25 and over hold a bachelor's degree or higher (40.6% across New Hampshire); the average commute takes 17 minutes.

Population2,993Henniker2,993
Households938Henniker938
Median age22.3Henniker22.3New Hampshire43.3US 38.9
Median household income$76,326Henniker$76,326New Hampshire$99,031US $80,734
Median home value$296,400Henniker$296,400New Hampshire$402,500US $332,700
Median gross rent$1,056Henniker$1,056New Hampshire$1,491US $1,413
Bachelor's degree or higher24.4%Henniker24.4%New Hampshire40.6%US 35.7%
Mean commute17.4 minHenniker17.4 minNew Hampshire26.7 minUS 26.4 min
Population density2,114 / sq miHenniker2,114 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Henniker CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Henniker

ZIP codes with the USPS city name Henniker
ZIP City Type Population Median income Median home
03242 Henniker , NH Standard 6,197 $95,206 $356,700

Map of Henniker ZIP codes

03242

The ZIP codes of Henniker, NH, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Henniker

The nearest larger towns are Concord (44,375 people, 13 mi), Goffstown (3,490 people, 16 mi) and Suncook (5,432 people, 19 mi).

Towns near Henniker
TownPopulationDistance
Concord 44,375 13.4 mi
Goffstown 3,490 15.6 mi
Suncook 5,432 18.8 mi
Hooksett 5,876 19.2 mi
Pinardville 4,418 19.8 mi
Franklin 8,799 20.3 mi
Tilton Northfield 3,101 21.4 mi
Newport 4,758 22.0 mi
Peterborough 2,539 22.2 mi
South Hooksett 5,902 22.4 mi
Manchester 115,643 23.3 mi
Milford 8,956 25.2 mi
East Merrimack 5,081 27.4 mi
Jaffrey 3,277 27.6 mi

More nearby: every ZIP code in Merrimack County · New Hampshire ZIP codes

Cite this page

zipcodes.pro. “Henniker, NH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nh/henniker

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