County · GEOID 33001
Belknap County, NH ZIP codes
15 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Belknap County (GEOID 33001). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 74,318 (15 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Belknap County
Population overlap
Share of each ZIP/ZCTA’s population located within Belknap County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 03218100.0%
Directory county
- 0322098.8%
Directory county
- 03225100.0%
Directory county
- 0322697.8%
Directory county
- 03237100.0%
Directory county
- 03246100.0%
Directory county
- 03249100.0%
Directory county
- 03253100.0%
Directory county
- 032540.2%
- 03256100.0%
Directory county
- 03269100.0%
Directory county
- 0327645.4%
- 03809100.0%
Directory county
- 03810100.0%
Directory county
- 03837100.0%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Belknap County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 03218 | Barnstead | Belknap County | 1,202 | $97,669 |
| 03220 | Belmont | Belknap County | 7,376 | $78,151 |
| 03225 | Center Barnstead | Belknap County | 3,770 | $97,109 |
| 03226 | Center Harbor | Belknap County | 998 | $119,375 |
| 03237 | Gilmanton | Belknap County | 2,313 | $107,353 |
| 03246 | Laconia | Belknap County | 17,006 | $68,407 |
| 03249 | Gilford | Belknap County | 7,785 | $115,423 |
| 03253 | Meredith | Belknap County | 6,677 | $69,808 |
| 03254 | Moultonborough | Carroll County | 5,089 | $93,839 |
| 03256 | New Hampton | Belknap County | 2,473 | $83,804 |
| 03269 | Sanbornton | Belknap County | 2,946 | $94,821 |
| 03276 | Tilton | Merrimack County | 9,046 | $79,270 |
| 03809 | Alton | Belknap County | 3,684 | $92,278 |
| 03810 | Alton Bay | Belknap County | 2,269 | $143,102 |
| 03837 | Gilmanton Iron Works | Belknap County | 1,684 | $116,605 |
USPS associates these ZIPs with Belknap County
These codes list Belknap County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 03247 | Laconia | Belknap County | 1,469 | — |
| 03252 | Lochmere | Belknap County | 205 | — |
| 03289 | Winnisquam | Belknap County | 444 | — |
| 03298 | Tilton | Belknap County | — | — |
| 03299 | Tilton | Belknap County | — | — |