Gilmanton, NH ZIP code
The ZIP code for Gilmanton, New Hampshire is 03237. It is in Belknap County.
- Population in these ZIPs
- 2,575
- Avg. median income
- $111,400population-weighted
- Typical home value
- $453,600population-weighted
- Metro area
- Laconia, NH
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Gilmanton, NH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 03237 | 2,575 | $111,359 | $453,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Gilmanton
- Gilmanton Iron Works 3 mi
- Belmont 6 mi
- Gilford 6 mi
- Tilton 7 mi
- Alton Bay 7 mi
- Loudon 7 mi
- Barnstead 9 mi
- Center Barnstead 9 mi
- Alton 10 mi
- Canterbury 10 mi
- Pittsfield 11 mi
- Laconia 11 mi
Frequently asked questions
What is the ZIP code for Gilmanton, NH?
The ZIP code for Gilmanton, NH is 03237.
What county is Gilmanton, New Hampshire in?
Gilmanton ZIP codes are in Belknap County.