Oldwick, NJ ZIP code
The ZIP code for Oldwick, New Jersey is 08858. It is in Hunterdon County.
- Population in these ZIPs
- 20
- Avg. median income
- —population-weighted
- Typical home value
- —population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
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Oldwick, NJ ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 08858 | 20 | — | — |
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 Oldwick
- Pottersville 2 mi
- Bedminster 4 mi
- Califon 4 mi
- Lebanon 5 mi
- Peapack 5 mi
- Gladstone 5 mi
- Whitehouse Station 5 mi
- Far Hills 6 mi
- Somerville 7 mi
- Chester 7 mi
- Long Valley 8 mi
- High Bridge 8 mi
Frequently asked questions
What is the ZIP code for Oldwick, NJ?
The ZIP code for Oldwick, NJ is 08858.
What county is Oldwick, New Jersey in?
Oldwick ZIP codes are in Hunterdon County.