ZIP code · Jefferson · Pennsylvania · United States
ZIP code 15344 — Jefferson
ZIP code 15344 serves Jefferson, Pennsylvania.
- Postal code
- 15344Single source Value from one source, not cross-checked.
- City
- Jefferson
- County
- Greene FIPS 42059
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 39.9334, -80.0503 — precision precise (locality)
View on OpenStreetMap - Population
- 1,614 (ZCTA, ACS 5-year)
- Population density
- 107 / sq mi
- Land area
- 15.1 sq mi (39.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $75,156
- Per-capita income
- $40,825
- Median age
- 42.8
- Households
- 709
- Housing units
- 760
- Median home value
- $146,300
- Congressional district
- PA-14 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °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 15344 with another ZIP · ZIPs within 25 miles · distance from 15344
Map of ZIP code 15344
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 19°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 42 | 51 | 64 | 73 | 80 | 83 | 82 | 77 | 65 | 53 | 43 |
| Avg low °F | 19 | 21 | 27 | 36 | 47 | 56 | 60 | 59 | 51 | 40 | 30 | 25 |
| Precip in | 3.4 | 2.8 | 3.7 | 3.4 | 4.3 | 4.2 | 4.3 | 3.9 | 3.5 | 3.3 | 2.9 | 3.3 |
NOAA 1991–2020 climate normals from the nearest station: WAYNESBURG 1 E (6.6 mi) · NOAA NCEI
Places in ZIP 15344
- 2 schools
- 3 playgrounds
- 1 post offices
- 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