Zip Code 07204 — Roselle Park, NJ
07204 is a ZIP Code associated with Roselle Park, NJ, located within Union. 07204 ranks #19 out of 26 ZIP codes in Union County by population (and #234 out of 598 in NJ). The area supports an estimated population of 14,093 residents across Data Pending housing units, with a population density of 4,441.9 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.665320, -74.266600)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 07204 |
| Primary City | Roselle Park |
| State / Province | NJ |
| County | Union |
| Total Population | 14,093 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 4,441.9 people/sq mi |
| Timezone | America/New_York |
How 07204 Compares
| Metric | ZIP 07204 | Union County | NJ State Average |
|---|
| Population | 14,093 | 602,051 (Total) | 9,343,809 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 4,441.9 /sq mi | -- | -- |
| County Pop Rank | #19 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 →