ZIP code · Palmyra · Pennsylvania · United States

ZIP code 17078 — Palmyra

ZIP code 17078 serves Palmyra, Pennsylvania.

Postal code
17078
Single source Value from one source, not cross-checked.
City
Palmyra
County
Lebanon FIPS 42075
State
Pennsylvania
Country
United States
Coordinates
40.3011, -76.5886 — precision precise (locality)
View on OpenStreetMap
Population
23,798 (ZCTA, ACS 5-year)
Population density
791 / sq mi
Land area
30.1 sq mi (77.9 km²) (ZCTA, ACS 5-year)
Median household income
$84,533
Per-capita income
$42,143
Median age
41.2
Households
9,134
Housing units
9,602
Median home value
$278,300
Median gross rent
$1,252 / month
Congressional districts
PA-9 (also PA-10) (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)
Area codes
717, 223
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.

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 22°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F374049627280848276645242
Avg low °F222331405160646355443427
Precip in3.12.53.63.74.04.54.84.64.64.13.23.6

NOAA 1991–2020 climate normals from the nearest station: LEBANON 2 W (6.8 mi) · NOAA NCEI

Places in ZIP 17078

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