List of ZIP Codes in Belknap County
The following table lists ZIP Codes associated with Belknap County, New Hampshire, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.
| S.N. | Zip Code | Latitude | Longitude | City | Population | Density |
|---|---|---|---|---|---|---|
| 1 | 03218 | 43.33465 | -71.28803 | Barnstead | 1,202 | 30.3 |
| 2 | 03220 | 43.46793 | -71.4758 | Belmont | 7,376 | 94.1 |
| 3 | 03225 | 43.36001 | -71.23828 | Center Barnstead | 3,770 | 52.4 |
| 4 | 03226 | 43.70259 | -71.51086 | Center Harbor | 998 | 28.1 |
| 5 | 03237 | 43.42997 | -71.38233 | Gilmanton | 2,313 | 23.5 |
| 6 | 03246 | 43.57239 | -71.4775 | Laconia | 17,006 | 330.5 |
| 7 | 03249 | 43.55806 | -71.38505 | Gilford | 7,785 | 77.5 |
| 8 | 03253 | 43.63193 | -71.49749 | Meredith | 6,677 | 68.8 |
| 9 | 03256 | 43.62425 | -71.63514 | New Hampton | 2,473 | 25.9 |
| 10 | 03269 | 43.53 | -71.60219 | Sanbornton | 2,946 | 23.0 |
| 11 | 03809 | 43.45321 | -71.21184 | Alton | 3,684 | 35.5 |
| 12 | 03810 | 43.52692 | -71.27941 | Alton Bay | 2,269 | 37.2 |
| 13 | 03837 | 43.42271 | -71.32766 | Gilmanton Iron Works | 1,684 | 32.6 |
About Belknap County ZIP Codes
Belknap County in New Hampshire (NH) is served by approximately 13 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.
Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 60,183 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.
Many of the most significant population centers in Belknap County are located in cities such as Laconia, Gilford, Belmont, Meredith, Center Barnstead. These cities and towns help define the economic and demographic character of the county.
Most ZIP Codes in Belknap County, New Hampshire follow the America/New_York time zone.