ZIP code · Olmstedville · New York · United States
ZIP code 12857 — Olmstedville
ZIP code 12857 serves Olmstedville, New York.
- Postal code
- 12857Single source Value from one source, not cross-checked.
- City
- Olmstedville
- County
- Essex FIPS 36031
- State
- New York
- Country
- United States
- Coordinates
- 43.7799, -73.9335 — precision precise (locality)
View on OpenStreetMap - Population
- 613 (ZCTA, ACS 5-year)
- Population density
- 9 / sq mi
- Land area
- 68.4 sq mi (177.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $63,935
- Per-capita income
- $40,921
- Median age
- 61.6
- Households
- 319
- Housing units
- 635
- Median home value
- $187,500
- Median gross rent
- $746 / 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 12857 with another ZIP · ZIPs within 25 miles · distance from 12857
Map of ZIP code 12857
Climate — monthly normals
Warmest month Jul (avg high 75°F), coldest Jan (avg low 6°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 25 | 28 | 36 | 49 | 63 | 71 | 75 | 73 | 67 | 54 | 41 | 31 |
| Avg low °F | 6 | 7 | 15 | 28 | 40 | 49 | 54 | 53 | 45 | 35 | 25 | 14 |
| Precip in | 3.0 | 2.5 | 3.2 | 3.7 | 3.9 | 4.4 | 4.0 | 4.0 | 3.5 | 4.5 | 3.5 | 3.4 |
NOAA 1991–2020 climate normals from the nearest station: INDIAN LAKE 2SW (17.1 mi) · NOAA NCEI
Places in ZIP 12857
- 1 schools
- 1 parks
- 2 places of worship
- 1 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