ZIP code · Youngsville · New York · United States
ZIP code 12791 — Youngsville
ZIP code 12791 serves Youngsville, New York.
- Postal code
- 12791Single source Value from one source, not cross-checked.
- City
- Youngsville
- County
- Sullivan FIPS 36105
- State
- New York
- Country
- United States
- Coordinates
- 41.8032, -74.8888 — precision precise (locality)
View on OpenStreetMap - Population
- 589 (ZCTA, ACS 5-year)
- Population density
- 163 / sq mi
- Land area
- 3.6 sq mi (9.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $85,181
- Per-capita income
- $29,811
- Median age
- 34.9
- Households
- 213
- Housing units
- 330
- Congressional district
- NY-19 (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
- 845 (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 12791 with another ZIP · ZIPs within 25 miles · distance from 12791
Map of ZIP code 12791
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Feb (avg low 12°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 34 | 42 | 56 | 67 | 75 | 80 | 77 | 71 | 59 | 47 | 36 |
| Avg low °F | 13 | 12 | 21 | 33 | 43 | 52 | 57 | 55 | 48 | 37 | 28 | 20 |
| Precip in | 3.3 | 2.9 | 3.7 | 4.1 | 4.4 | 5.1 | 4.8 | 5.1 | 4.8 | 4.5 | 3.5 | 3.9 |
NOAA 1991–2020 climate normals from the nearest station: CALLICOON CTR (3.6 mi) · NOAA NCEI
Places in ZIP 12791
- 1 schools
- 1 post offices
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