ZIP code · Dunellen · New Jersey · United States
ZIP code 08812 — Dunellen
ZIP code 08812 serves Dunellen, New Jersey.
- Postal code
- 08812Single source Value from one source, not cross-checked.
- City
- Dunellen
- County
- Middlesex FIPS 34023
- State
- New Jersey
- Country
- United States
- Coordinates
- 40.5897, -74.4639 — precision precise (locality)
View on OpenStreetMap - Population
- 14,177 (ZCTA, ACS 5-year)
- Population density
- 2,792 / sq mi
- Land area
- 5.1 sq mi (13.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $119,534
- Per-capita income
- $52,406
- Median age
- 42.4
- Households
- 4,553
- Housing units
- 4,916
- Median home value
- $435,300
- Median gross rent
- $1,557 / month
- Congressional districts
- NJ-7 (also NJ-12) (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °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 08812 with another ZIP · ZIPs within 25 miles · distance from 08812
Map of ZIP code 08812
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 44 | 53 | 66 | 75 | 84 | 88 | 86 | 79 | 66 | 56 | 46 |
| Avg low °F | 24 | 26 | 32 | 42 | 51 | 60 | 66 | 64 | 58 | 46 | 36 | 29 |
| Precip in | 3.8 | 3.1 | 4.3 | 3.6 | 4.0 | 4.3 | 5.3 | 4.0 | 4.3 | 4.3 | 3.5 | 4.2 |
NOAA 1991–2020 climate normals from the nearest station: PLAINFIELD (3.4 mi) · NOAA NCEI
Places in ZIP 08812
- 4 schools
- 2 hospitals & clinics
- 1 doctors & dentists
- 1 supermarkets
- 32 restaurants & cafés
- 2 bars & pubs
- 8 parks
- 6 playgrounds
- 3 gyms & sports centres
- 1 libraries
- 2 post offices
- 7 places of worship
- 6 banks
- 6 gas stations
- 4 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