ZIP code · Highland Lake · New York · United States
ZIP code 12743 — Highland Lake
ZIP code 12743 serves Highland Lake, New York.
- Postal code
- 12743Single source Value from one source, not cross-checked.
- City
- Highland Lake
- County
- Sullivan FIPS 36105
- State
- New York
- Country
- United States
- Coordinates
- 41.5309, -74.8516 — precision precise (locality)
View on OpenStreetMap - Population
- 319 (ZCTA, ACS 5-year)
- Population density
- 43 / sq mi
- Land area
- 7.5 sq mi (19.4 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $192,127
- Median age
- 58.8
- Households
- 155
- Housing units
- 285
- Median home value
- $341,700
- 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 12743 with another ZIP · ZIPs within 25 miles · distance from 12743
Map of ZIP code 12743
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 37 | 46 | 59 | 70 | 78 | 82 | 81 | 74 | 62 | 50 | 40 |
| Avg low °F | 16 | 17 | 25 | 34 | 45 | 55 | 59 | 57 | 51 | 39 | 29 | 23 |
| Precip in | 3.1 | 2.9 | 3.9 | 3.9 | 3.3 | 5.4 | 3.7 | 4.4 | 4.7 | 4.7 | 3.3 | 4.0 |
NOAA 1991–2020 climate normals from the nearest station: MATAMORAS (11.9 mi) · NOAA NCEI
Places in ZIP 12743
- 1 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