ZIP code 03810: Alton Bay, NH
03810 is a ZIP code in Alton Bay, New Hampshire, mainly in Belknap County, part of the Laconia, NH micro area. About 2,314 people live here.
- Population
- 2,314
- Median household income
- $148,261
- Typical home value
- $678,400+1.3% in 12 months
- Median rent
- —gross, per month
- Median age
- 57
- Homeowners
- 98.5%of occupied homes
Shaded: ZIP code 03810's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 03810 details
| City | Alton Bay |
|---|---|
| State | New Hampshire |
| County | Belknap County |
| Metro area | Laconia, NH |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 23.6 sq mi, plus 18.6 sq mi of water |
| Population density | 98 people per sq mi |
| Bachelor's degree or higher | 43.1% of adults 25+ |
| Average commute | 26.8 minutes |
| Center coordinates | 43.51256, -71.29489 |
ZIP codes near 03810
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 03249 | Gilford, NH | 4.1 mi | 7,830 |
| 03809 | Alton, NH | 5.8 mi | 3,680 |
| 03896 | Wolfeboro Falls, NH | 6.5 mi | — |
| 03837 | Gilmanton Iron Works, NH | 6.6 mi | 1,451 |
| 03237 | Gilmanton, NH | 7.3 mi | 2,575 |
| 03299 | Tilton, NH | 7.6 mi | — |
| 03298 | Tilton, NH | 7.6 mi | — |
| 03855 | New Durham, NH | 7.9 mi | 2,748 |
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
Buying a home in 03810?
A typical home in ZIP code 03810 is worth about $678,400 (Zillow Home Value Index). The median household here earns $148,261 a year. See what buying here would cost per month, with New Hampshire average taxes and insurance filled in.
Monthly payment for a $678,400 homeWhat can a $148,261 income afford?Rental property numbers
About ZIP code 03810
What city is ZIP code 03810?
ZIP code 03810 is in Alton Bay, NH, in Belknap County.
What county is ZIP code 03810 in?
03810 is mainly in Belknap County, New Hampshire.
What is the population of ZIP code 03810?
About 2,314 people live in ZIP code 03810, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 03810 in?
03810 is in Eastern Time (UTC−5). It observes daylight saving time.