ZIP code · Schroon Lake · New York · United States
ZIP code 12870 — Schroon Lake
ZIP code 12870 serves Schroon Lake, New York.
- Postal code
- 12870Single source Value from one source, not cross-checked.
- City
- Schroon Lake
- County
- Essex FIPS 36031
- State
- New York
- Country
- United States
- Coordinates
- 43.8412, -73.7674 — precision precise (locality)
View on OpenStreetMap - Population
- 1,770 (ZCTA, ACS 5-year)
- Population density
- 18 / sq mi
- Land area
- 98.4 sq mi (255 km²) (ZCTA, ACS 5-year)
- Median household income
- $65,326
- Per-capita income
- $37,046
- Median age
- 51.6
- Households
- 780
- Housing units
- 1,852
- Median home value
- $255,200
- Median gross rent
- $760 / month
- Congressional district
- NY-21 (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)
Tools: compare 12870 with another ZIP · ZIPs within 25 miles · distance from 12870
Map of ZIP code 12870
Climate — monthly normals
Warmest month Jul (avg high 77°F), coldest Jan (avg low 4°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 29 | 37 | 50 | 64 | 72 | 77 | 75 | 67 | 54 | 41 | 31 |
| Avg low °F | 4 | 4 | 13 | 27 | 39 | 49 | 53 | 52 | 44 | 34 | 24 | 12 |
| Precip in | 3.3 | 2.7 | 3.1 | 3.5 | 4.2 | 4.3 | 4.2 | 4.2 | 3.7 | 4.5 | 3.7 | 3.8 |
NOAA 1991–2020 climate normals from the nearest station: NEWCOMB (24.4 mi) · NOAA NCEI
Places in ZIP 12870
- 1 schools
- 1 doctors & dentists
- 1 supermarkets
- 7 restaurants & cafés
- 1 bars & pubs
- 3 parks
- 1 playgrounds
- 1 libraries
- 1 post offices
- 4 places of worship
- 1 banks
- 3 gas 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