Zip Code 23405 — Machipongo, VA
23405 is a ZIP Code associated with Machipongo, VA, located within Northampton. 23405 ranks #3 out of 11 ZIP codes in Northampton County by population (and #609 out of 903 in VA). The area supports an estimated population of 1,237 residents across Data Pending housing units, with a population density of 18.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (37.414660, -75.919690)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 23405 |
| Primary City | Machipongo |
| State / Province | VA |
| County | Northampton |
| Total Population | 1,237 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 18.6 people/sq mi |
| Timezone | America/New_York |
How 23405 Compares
| Metric | ZIP 23405 | Northampton County | VA State Average |
|---|
| Population | 1,237 | 12,059 (Total) | 8,705,380 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 18.6 /sq mi | -- | -- |
| County Pop Rank | #3 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 →