ZIP code · Mercersburg · Pennsylvania · United States
ZIP code 17236 — Mercersburg
ZIP code 17236 serves Mercersburg, Pennsylvania.
- Postal code
- 17236Single source Value from one source, not cross-checked.
- City
- Mercersburg
- County
- Franklin FIPS 42055
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 39.8195, -77.9073 — precision precise (locality)
View on OpenStreetMap - Population
- 8,875 (ZCTA, ACS 5-year)
- Population density
- 71 / sq mi
- Land area
- 125.7 sq mi (325.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $81,074
- Per-capita income
- $39,478
- Median age
- 41.6
- Households
- 3,339
- Housing units
- 3,741
- Median home value
- $250,100
- Median gross rent
- $986 / month
- Congressional district
- PA-13 (119th Congress)
- USDA hardiness zone
- 7a (0 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)
Tools: compare 17236 with another ZIP · ZIPs within 25 miles · distance from 17236
Map of ZIP code 17236
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 25°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 44 | 53 | 65 | 74 | 83 | 87 | 85 | 78 | 66 | 54 | 44 |
| Avg low °F | 25 | 27 | 34 | 44 | 55 | 64 | 68 | 66 | 59 | 47 | 37 | 30 |
| Precip in | 2.5 | 2.0 | 3.0 | 3.3 | 3.5 | 3.4 | 2.9 | 2.9 | 3.8 | 2.8 | 2.6 | 2.8 |
NOAA 1991–2020 climate normals from the nearest station: HAGERSTOWN WASHINGTON CO AP (12.2 mi) · NOAA NCEI
Places in ZIP 17236
- 23 schools
- 6 restaurants & cafés
- 1 bars & pubs
- 7 parks
- 3 playgrounds
- 1 gyms & sports centres
- 15 places of worship
- 3 banks
- 2 gas stations
- 2 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