ZIP code · Sinnamahoning · Pennsylvania · United States
ZIP code 15861 — Sinnamahoning
ZIP code 15861 serves Sinnamahoning, Pennsylvania.
- Postal code
- 15861Single source Value from one source, not cross-checked.
- City
- Sinnamahoning
- County
- Cameron FIPS 42023
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 41.3762, -78.0661 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 107 (ZCTA, ACS 5-year)
- Population density
- 2 / sq mi
- Land area
- 63.6 sq mi (164.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $76,563
- Per-capita income
- $51,592
- Median age
- 66.1
- Households
- 55
- Housing units
- 426
- Median home value
- $108,300
- Congressional district
- PA-15 (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
- 814 (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 15861 with another ZIP · ZIPs within 25 miles · distance from 15861
Map of ZIP code 15861
Climate — monthly normals
Warmest month Jul (avg high 81°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 36 | 45 | 59 | 70 | 77 | 81 | 80 | 73 | 61 | 48 | 37 |
| Avg low °F | 16 | 16 | 23 | 33 | 43 | 53 | 57 | 56 | 50 | 38 | 29 | 22 |
| Precip in | 2.8 | 2.4 | 3.3 | 3.9 | 3.8 | 4.1 | 4.5 | 3.9 | 4.3 | 3.7 | 3.3 | 3.3 |
NOAA 1991–2020 climate normals from the nearest station: STEVENSON DAM (3.1 mi) · NOAA NCEI
Places in ZIP 15861
- 2 bars & pubs
- 1 parks
- 1 playgrounds
- 1 post offices
- 1 places of worship
- 1 gas stations
- 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