ZIP code · Mc Knightstown · Pennsylvania · United States
ZIP code 17343 — Mc Knightstown
ZIP code 17343 serves Mc Knightstown, Pennsylvania.
- Postal code
- 17343Single source Value from one source, not cross-checked.
- City
- Mc Knightstown
- County
- Adams FIPS 42001
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 39.8692, -77.3292 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 27 (ZCTA, ACS 5-year)
- Population density
- 38 / sq mi
- Land area
- 0.7 sq mi (1.9 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $0
- Households
- 14
- Housing units
- 49
- 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 17343 with another ZIP · ZIPs within 25 miles · distance from 17343
Map of ZIP code 17343
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 41 | 49 | 62 | 72 | 81 | 85 | 83 | 77 | 65 | 53 | 42 |
| Avg low °F | 20 | 21 | 28 | 38 | 49 | 58 | 62 | 60 | 53 | 41 | 32 | 25 |
| Precip in | 3.5 | 2.7 | 4.0 | 4.1 | 4.4 | 3.9 | 4.1 | 3.9 | 4.9 | 4.0 | 3.3 | 3.7 |
NOAA 1991–2020 climate normals from the nearest station: CASHTOWN 1S (1.4 mi) · NOAA NCEI
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