ZIP code · Claremont · New Hampshire · United States
ZIP code 03743 — Claremont
ZIP code 03743 serves Claremont, New Hampshire.
- Postal code
- 03743Single source Value from one source, not cross-checked.
- City
- Claremont
- County
- Sullivan FIPS 33019
- State
- New Hampshire
- Country
- United States
- Coordinates
- 43.3679, -72.3422 — precision precise (locality)
View on OpenStreetMap - Population
- 13,673 (ZCTA, ACS 5-year)
- Population density
- 231 / sq mi
- Land area
- 59.1 sq mi (153.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $54,978
- Per-capita income
- $34,788
- Median age
- 43
- Households
- 5,002
- Housing units
- 5,850
- Median home value
- $172,700
- Median gross rent
- $1,078 / month
- Congressional district
- NH-2 (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 603Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 03743 with another ZIP · ZIPs within 25 miles · distance from 03743
Nearby localities
Map of ZIP code 03743
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 32 | 41 | 54 | 66 | 75 | 80 | 79 | 71 | 58 | 46 | 35 |
| Avg low °F | 9 | 10 | 19 | 31 | 42 | 52 | 56 | 54 | 47 | 36 | 27 | 17 |
| Precip in | 2.7 | 2.4 | 3.0 | 3.3 | 3.3 | 4.2 | 4.2 | 3.8 | 3.5 | 4.9 | 3.2 | 3.5 |
NOAA 1991–2020 climate normals from the nearest station: NEWPORT (8.1 mi) · NOAA NCEI
Places in ZIP 03743
- 6 schools
- 1 hospitals & clinics
- 1 doctors & dentists
- 1 pharmacies
- 3 supermarkets
- 25 restaurants & cafés
- 1 bars & pubs
- 17 parks
- 4 playgrounds
- 3 gyms & sports centres
- 1 libraries
- 1 post offices
- 11 places of worship
- 5 banks
- 10 gas stations
- 1 EV charging stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page