ZIP code 08858: Oldwick, NJ
08858 is a ZIP code in Oldwick, New Jersey, mainly in Hunterdon County, part of the New York-Newark-Jersey City, NY-NJ metro area. About 20 people live here.
- Population
- 20
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- —
- Homeowners
- 100%of occupied homes
Shaded: ZIP code 08858's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 08858 details
| City | Oldwick |
|---|---|
| State | New Jersey |
| County | Hunterdon County |
| Metro area | New York-Newark-Jersey City, NY-NJ |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 2.6 sq mi, plus 0 sq mi of water |
| Population density | 8 people per sq mi |
| Bachelor's degree or higher | 100% of adults 25+ |
| Center coordinates | 40.68268, -74.73704 |
ZIP codes near 08858
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 07979 | Pottersville, NJ | 2.0 mi | 214 |
| 07921 | Bedminster, NJ | 3.6 mi | 7,700 |
| 07830 | Califon, NJ | 3.9 mi | 7,379 |
| 08888 | Whitehouse, NJ | 4.4 mi | — |
| 08833 | Lebanon, NJ | 4.9 mi | 9,184 |
| 07977 | Peapack, NJ | 4.9 mi | 917 |
| 07934 | Gladstone, NJ | 4.9 mi | 1,293 |
| 08889 | Whitehouse Station, NJ | 5.2 mi | 10,193 |
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
About ZIP code 08858
What city is ZIP code 08858?
ZIP code 08858 is in Oldwick, NJ, in Hunterdon County.
What county is ZIP code 08858 in?
08858 is mainly in Hunterdon County, New Jersey.
What is the population of ZIP code 08858?
About 20 people live in ZIP code 08858, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 08858 in?
08858 is in Eastern Time (UTC−5). It observes daylight saving time.