ZIP code · Grahamsville · New York · United States
ZIP code 12740 — Grahamsville
ZIP code 12740 serves Grahamsville, New York.
- Postal code
- 12740Single source Value from one source, not cross-checked.
- City
- Grahamsville
- County
- Sullivan FIPS 36105
- State
- New York
- Country
- United States
- Coordinates
- 41.8807, -74.5127 — precision precise (locality)
View on OpenStreetMap - Population
- 1,683 (ZCTA, ACS 5-year)
- Population density
- 23 / sq mi
- Land area
- 72 sq mi (186.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $91,630
- Per-capita income
- $59,192
- Median age
- 50.2
- Households
- 784
- Housing units
- 1,095
- Median home value
- $279,000
- Median gross rent
- $1,031 / month
- Congressional district
- NY-19 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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
- 845Telephone 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 12740 with another ZIP · ZIPs within 25 miles · distance from 12740
Map of ZIP code 12740
Climate — monthly normals
Warmest month Jul (avg high 74°F), coldest Jan (avg low 12°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 30 | 38 | 51 | 62 | 69 | 74 | 73 | 67 | 55 | 43 | 32 |
| Avg low °F | 12 | 13 | 20 | 31 | 43 | 51 | 56 | 54 | 48 | 38 | 28 | 19 |
| Precip in | 4.7 | 3.2 | 5.1 | 4.9 | 5.0 | 6.0 | 5.2 | 5.6 | 6.2 | 6.4 | 5.4 | 5.5 |
NOAA 1991–2020 climate normals from the nearest station: SLIDE MTN (10.6 mi) · NOAA NCEI
Places in ZIP 12740
- 1 schools
- 1 playgrounds
- 4 places of worship
- 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