ZIP code · Hewitt · New Jersey · United States
ZIP code 07421 — Hewitt
ZIP code 07421 serves Hewitt, New Jersey.
- Postal code
- 07421Single source Value from one source, not cross-checked.
- City
- Hewitt
- County
- Passaic FIPS 34031
- State
- New Jersey
- Country
- United States
- Coordinates
- 41.1709, -74.3686 — precision precise (locality)
View on OpenStreetMap - Population
- 7,660 (ZCTA, ACS 5-year)
- Population density
- 339 / sq mi
- Land area
- 22.6 sq mi (58.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $132,419
- Per-capita income
- $70,921
- Median age
- 46.4
- Households
- 3,000
- Housing units
- 3,257
- Median home value
- $375,500
- Median gross rent
- $2,221 / month
- Congressional district
- NJ-5 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °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 07421 with another ZIP · ZIPs within 25 miles · distance from 07421
Map of ZIP code 07421
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 38 | 41 | 48 | 60 | 71 | 79 | 84 | 83 | 76 | 64 | 53 | 43 |
| Avg low °F | 20 | 20 | 29 | 39 | 50 | 58 | 64 | 63 | 56 | 43 | 35 | 27 |
| Precip in | 3.4 | 2.7 | 3.9 | 4.2 | 3.6 | 5.1 | 4.7 | 4.6 | 4.0 | 4.4 | 3.8 | 4.0 |
NOAA 1991–2020 climate normals from the nearest station: WANAQUE RAYMOND DAM (9.6 mi) · NOAA NCEI
Places in ZIP 07421
- 1 doctors & dentists
- 1 supermarkets
- 4 restaurants & cafés
- 1 parks
- 1 post offices
- 2 places of worship
- 2 gas 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