ZIP code · Newhall · California · United States
ZIP code 91321 — Newhall
ZIP code 91321 serves Newhall, California.
- Postal code
- 91321Single source Value from one source, not cross-checked.
- City
- Newhall
- County
- Los Angeles FIPS 06037
- State
- California
- Country
- United States
- Coordinates
- 34.3795, -118.5230 — precision precise (locality)
View on OpenStreetMap - Population
- 32,668 (ZCTA, ACS 5-year)
- Population density
- 1,225 / sq mi
- Land area
- 26.7 sq mi (69.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $93,281
- Per-capita income
- $40,949
- Median age
- 34.7
- Households
- 10,764
- Housing units
- 11,257
- Median home value
- $654,300
- Median gross rent
- $2,135 / month
- Congressional district
- CA-27 (119th Congress)
- USDA hardiness zone
- 10a (30 to 35 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 91321 with another ZIP · ZIPs within 25 miles · distance from 91321
Map of ZIP code 91321
Climate — monthly normals
Warmest month Aug (avg high 96°F), coldest Dec (avg low 44°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 65 | 70 | 74 | 81 | 87 | 94 | 96 | 91 | 81 | 71 | 62 |
| Avg low °F | 47 | 45 | 47 | 49 | 54 | 57 | 63 | 64 | 62 | 56 | 49 | 44 |
| Precip in | 4.2 | 4.4 | 2.9 | 0.8 | 0.3 | 0.0 | 0.0 | 0.0 | 0.1 | 0.5 | 0.8 | 2.6 |
NOAA 1991–2020 climate normals from the nearest station: NEWHALL 5NW (4.2 mi) · NOAA NCEI
Places in ZIP 91321
- 8 schools
- 1 colleges & universities
- 1 hospitals & clinics
- 1 doctors & dentists
- 2 pharmacies
- 3 supermarkets
- 44 restaurants & cafés
- 1 bars & pubs
- 7 parks
- 6 playgrounds
- 3 gyms & sports centres
- 2 libraries
- 1 post offices
- 19 places of worship
- 7 banks
- 13 gas stations
- 1 EV charging stations
- 1 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