ZIP code · Gratz · Pennsylvania · United States
ZIP code 17030 — Gratz
ZIP code 17030 serves Gratz, Pennsylvania.
- Postal code
- 17030Single source Value from one source, not cross-checked.
- City
- Gratz
- County
- Dauphin FIPS 42043
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 40.6082, -76.7375 — precision precise (locality)
View on OpenStreetMap - Population
- 514 (ZCTA, ACS 5-year)
- Population density
- 163 / sq mi
- Land area
- 3.2 sq mi (8.2 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $36,020
- Median age
- 52.4
- Households
- 296
- Housing units
- 312
- Median home value
- $235,000
- Median gross rent
- $768 / month
- Congressional district
- PA-10 (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 17030 with another ZIP · ZIPs within 25 miles · distance from 17030
Map of ZIP code 17030
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 40 | 49 | 61 | 71 | 79 | 84 | 82 | 75 | 64 | 52 | 42 |
| Avg low °F | 20 | 21 | 28 | 37 | 47 | 56 | 60 | 59 | 52 | 41 | 32 | 25 |
| Precip in | 3.6 | 2.8 | 3.9 | 4.5 | 4.4 | 4.9 | 5.0 | 4.3 | 5.6 | 4.5 | 3.3 | 4.0 |
NOAA 1991–2020 climate normals from the nearest station: DEHART DAM (10.2 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