Laconia, NH micro area ZIP codes
The Laconia, NH micropolitan statistical area (CBSA 29060) covers 1 county in New Hampshire and 18 ZIP codes.
- ZIP codes
- 18
- Population
- 60,615
- Avg. median income
- $93,200population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Laconia, NH area
ZIP codes in the Laconia, NH area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 03218 | Barnstead | Belknap County | 1,160 | $112,500 | $463,400 |
| 03220 | Belmont | Belknap County | 7,393 | $68,242 | $461,200 |
| 03225 | Center Barnstead | Belknap County | 3,834 | $111,660 | $449,100 |
| 03226 | Center Harbor | Belknap County | 1,005 | $107,500 | $718,800 |
| 03237 | Gilmanton | Belknap County | 2,575 | $111,359 | $453,600 |
| 03246 | Laconia | Belknap County | 17,103 | $73,241 | $437,600 |
| 03247 PO Box | Laconia | Belknap County | — | — | — |
| 03249 | Gilford | Belknap County | 7,830 | $116,635 | $545,300 |
| 03252 PO Box | Lochmere | Belknap County | — | — | — |
| 03253 | Meredith | Belknap County | 6,707 | $84,719 | $688,000 |
| 03256 | New Hampton | Belknap County | 2,497 | $87,917 | $490,000 |
| 03269 | Sanbornton | Belknap County | 3,066 | $107,083 | $543,600 |
| 03289 PO Box | Winnisquam | Belknap County | — | — | — |
| 03298 PO Box | Tilton | Belknap County | — | — | — |
| 03299 PO Box | Tilton | Belknap County | — | — | — |
| 03809 | Alton | Belknap County | 3,680 | $106,397 | $530,400 |
| 03810 | Alton Bay | Belknap County | 2,314 | $148,261 | $678,400 |
| 03837 | Gilmanton Iron Works | Belknap County | 1,451 | $119,712 | $509,000 |
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
Frequently asked questions
How many ZIP codes are in the Laconia, NH micro area?
18 ZIP codes, based on each ZIP code's main county.
Which counties make up the Laconia, NH area?
Belknap County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).