ZIP code · South Amboy · New Jersey · United States
ZIP code 08879 — South Amboy
ZIP code 08879 serves South Amboy, New Jersey.
- Postal code
- 08879Single source Value from one source, not cross-checked.
- City
- South Amboy
- County
- Middlesex FIPS 34023
- State
- New Jersey
- Country
- United States
- Coordinates
- 40.4640, -74.2742 — precision precise (locality)
View on OpenStreetMap - Population
- 23,263 (ZCTA, ACS 5-year)
- Population density
- 3,285 / sq mi
- Land area
- 7.1 sq mi (18.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $98,000
- Per-capita income
- $44,306
- Median age
- 40.8
- Households
- 9,226
- Housing units
- 9,737
- Median home value
- $377,700
- Median gross rent
- $1,633 / month
- Congressional district
- NJ-6 (119th Congress)
- USDA hardiness zone
- 7b (5 to 10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 08879 with another ZIP · ZIPs within 25 miles · distance from 08879
Map of ZIP code 08879
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 23°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 43 | 51 | 63 | 72 | 81 | 87 | 85 | 78 | 67 | 56 | 45 |
| Avg low °F | 23 | 24 | 31 | 41 | 51 | 60 | 66 | 64 | 57 | 44 | 35 | 28 |
| Precip in | 3.7 | 3.0 | 4.4 | 3.9 | 4.0 | 4.8 | 4.8 | 4.7 | 4.2 | 4.1 | 3.4 | 4.5 |
NOAA 1991–2020 climate normals from the nearest station: NEW BRUNSWICK 3 SE (7.8 mi) · NOAA NCEI
Places in ZIP 08879
- 6 schools
- 15 restaurants & cafés
- 1 bars & pubs
- 13 parks
- 7 playgrounds
- 2 gyms & sports centres
- 2 libraries
- 1 post offices
- 8 places of worship
- 5 gas stations
- 6 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page