Uniondale, NY ZIP codes
Uniondale, New York has 3 ZIP codes, including 1 PO Box ZIP. They are in Nassau County.
- Population in these ZIPs
- 27,875
- Avg. median income
- $121,100population-weighted
- Typical home value
- $678,300population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
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Uniondale, NY ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 11553 | Nassau County | 27,875 | $121,127 | $678,300 |
| 11555 PO Box | Nassau County | — | — | — |
| 11556 | Nassau County | 0 | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Uniondale
- Hempstead 1 mi
- East Meadow 2 mi
- Roosevelt 2 mi
- Garden City 3 mi
- Carle Place 3 mi
- Westbury 3 mi
- West Hempstead 4 mi
- Merrick 4 mi
- Mineola 4 mi
- Bellmore 4 mi
- Levittown 4 mi
- Freeport 4 mi
Frequently asked questions
What county is Uniondale, New York in?
Uniondale ZIP codes are in Nassau County.
Which Uniondale ZIP codes are PO Boxes?
11555 is a PO Box or single-organization ZIP code; it has no residential delivery area.