ZIP code · Monroe · New Hampshire · United States
ZIP code 03771 — Monroe
ZIP code 03771 serves Monroe, New Hampshire.
- Postal code
- 03771Single source Value from one source, not cross-checked.
- City
- Monroe
- County
- Grafton FIPS 33009
- State
- New Hampshire
- Country
- United States
- Coordinates
- 44.2734, -72.0250 — precision precise (locality)
View on OpenStreetMap - Population
- 807 (ZCTA, ACS 5-year)
- Population density
- 36 / sq mi
- Land area
- 22.3 sq mi (57.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $85,217
- Per-capita income
- $36,620
- Median age
- 50.6
- Households
- 302
- Housing units
- 329
- Median home value
- $257,100
- Median gross rent
- $1,075 / month
- Congressional district
- NH-2 (119th Congress)
- USDA hardiness zone
- 4b (-25 to -20 °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 03771 with another ZIP · ZIPs within 25 miles · distance from 03771
Nearby localities
Map of ZIP code 03771
Climate — monthly normals
Warmest month Jul (avg high 81°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 33 | 42 | 57 | 70 | 78 | 81 | 79 | 72 | 59 | 45 | 33 |
| Avg low °F | 9 | 10 | 20 | 32 | 44 | 53 | 58 | 57 | 49 | 38 | 28 | 17 |
| Precip in | 2.7 | 2.2 | 2.5 | 3.1 | 3.8 | 4.1 | 4.5 | 3.9 | 3.4 | 4.0 | 3.0 | 3.2 |
NOAA 1991–2020 climate normals from the nearest station: SAINT JOHNSBURY (10.1 mi) · NOAA NCEI
Places in ZIP 03771
- 1 schools
- 1 restaurants & cafés
- 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