Zip Code 28325 — Calypso, NC
28325 is a ZIP Code associated with Calypso, NC, located within Duplin. 28325 ranks #12 out of 12 ZIP codes in Duplin County by population (and #748 out of 853 in NC). The area supports an estimated population of 384 residents across Data Pending housing units, with a population density of 156.4 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (35.153350, -78.104250)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 28325 |
| Primary City | Calypso |
| State / Province | NC |
| County | Duplin |
| Total Population | 384 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 156.4 people/sq mi |
| Timezone | America/New_York |
How 28325 Compares
| Metric | ZIP 28325 | Duplin County | NC State Average |
|---|
| Population | 384 | 64,020 (Total) | 10,730,463 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 156.4 /sq mi | -- | -- |
| County Pop Rank | #12 of 12 | -- | -- |
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 →