Zip Code 18034 — Center Valley, PA
18034 is a ZIP Code associated with Center Valley, PA, located within Lehigh. 18034 ranks #13 out of 28 ZIP codes in Lehigh County by population (and #443 out of 1,832 in PA). The area supports an estimated population of 9,209 residents across Data Pending housing units, with a population density of 323.0 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.541820, -75.416540)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 18034 |
| Primary City | Center Valley |
| State / Province | PA |
| County | Lehigh |
| Total Population | 9,209 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 323.0 people/sq mi |
| Timezone | America/New_York |
How 18034 Compares
| Metric | ZIP 18034 | Lehigh County | PA State Average |
|---|
| Population | 9,209 | 386,389 (Total) | 13,018,637 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 323.0 /sq mi | -- | -- |
| County Pop Rank | #13 of 28 | -- | -- |
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 →