ZIP code · Cornish · New Hampshire · United States
ZIP code 03745 — Cornish
ZIP code 03745 serves Cornish, New Hampshire.
- Postal code
- 03745Single source Value from one source, not cross-checked.
- City
- Cornish
- County
- Sullivan FIPS 33019
- State
- New Hampshire
- Country
- United States
- Coordinates
- 43.4963, -72.3394 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 1,771 (ZCTA, ACS 5-year)
- Population density
- 42 / sq mi
- Land area
- 42 sq mi (108.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $89,046
- Per-capita income
- $50,208
- Median age
- 57.4
- Households
- 782
- Housing units
- 859
- Median home value
- $277,400
- Median gross rent
- $1,521 / 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
- 603 (from the nearest rate centre)Telephone 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 03745 with another ZIP · ZIPs within 25 miles · distance from 03745
Nearby localities
Map of ZIP code 03745
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low 8°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 32 | 40 | 55 | 67 | 75 | 80 | 78 | 71 | 57 | 45 | 34 |
| Avg low °F | 8 | 10 | 18 | 30 | 42 | 52 | 57 | 55 | 48 | 37 | 27 | 16 |
NOAA 1991–2020 climate normals from the nearest station: N HARTLAND LAKE (7.5 mi) · NOAA NCEI
Places in ZIP 03745
- 1 schools
- 2 parks
- 1 playgrounds
- 1 post offices
- 2 places of worship
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