Zip Code 17845 — Millmont, PA
17845 is a ZIP Code associated with Millmont, PA, located within Union. 17845 ranks #4 out of 11 ZIP codes in Union County by population (and #941 out of 1,832 in PA). The area supports an estimated population of 2,058 residents across Data Pending housing units, with a population density of 12.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.883080, -77.216280)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 17845 |
| Primary City | Millmont |
| State / Province | PA |
| County | Union |
| Total Population | 2,058 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 12.8 people/sq mi |
| Timezone | America/New_York |
How 17845 Compares
| Metric | ZIP 17845 | Union County | PA State Average |
|---|
| Population | 2,058 | 36,864 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 12.8 /sq mi | -- | -- |
| County Pop Rank | #4 of 11 | -- | -- |
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 →