Zip Code 11804 — Old Bethpage, NY
11804 is a ZIP Code associated with Old Bethpage, NY, located within Nassau. 11804 ranks #58 out of 69 ZIP codes in Nassau County by population (and #737 out of 1,826 in NY). The area supports an estimated population of 4,835 residents across Data Pending housing units, with a population density of 661.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.758290, -73.457060)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 11804 |
| Primary City | Old Bethpage |
| State / Province | NY |
| County | Nassau |
| Total Population | 4,835 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 661.8 people/sq mi |
| Timezone | America/New_York |
How 11804 Compares
| Metric | ZIP 11804 | Nassau County | NY State Average |
|---|
| Population | 4,835 | 1,369,359 (Total) | 19,771,902 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 661.8 /sq mi | -- | -- |
| County Pop Rank | #58 of 69 | -- | -- |
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 →