Zip Code 17030 — Gratz, PA
17030 is a ZIP Code associated with Gratz, PA, located within Dauphin. 17030 ranks #23 out of 26 ZIP codes in Dauphin County by population (and #1316 out of 1,832 in PA). The area supports an estimated population of 541 residents across Data Pending housing units, with a population density of 66.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.608330, -76.744170)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 17030 |
| Primary City | Gratz |
| State / Province | PA |
| County | Dauphin |
| Total Population | 541 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 66.2 people/sq mi |
| Timezone | America/New_York |
How 17030 Compares
| Metric | ZIP 17030 | Dauphin County | PA State Average |
|---|
| Population | 541 | 285,045 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 66.2 /sq mi | -- | -- |
| County Pop Rank | #23 of 26 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →