📍 View location on OpenStreetMap (43.422710, -71.327660)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 03837 |
| Primary City | Gilmanton Iron Works |
| State / Province | NH |
| County | Belknap |
| Total Population | 1,451 |
| Population Density | 28.1 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 03837 | Belknap County records | NH records |
|---|---|---|---|
| Population estimate | 1,451 | 60,615 (sum) | 1,394,951 (sum) |
| Population Density | 28.1 /sq mi | -- | -- |
| County population rank | #11 of 13 | -- | -- |
| State population rank | #173 of 245 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 03237 | Gilmanton | 2.8 mi | 2,575 |
| ZIP 03809 | Alton | 6.2 mi | 3,680 |
| ZIP 03225 | Center Barnstead | 6.2 mi | 3,834 |
| ZIP 03218 | Barnstead | 6.4 mi | 1,160 |
| ZIP 03810 | Alton Bay | 7.6 mi | 2,314 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →