ZIP code · Mount Laguna · California · United States
ZIP code 91948 — Mount Laguna
ZIP code 91948 serves Mount Laguna, California.
- Postal code
- 91948Single source Value from one source, not cross-checked.
- City
- Mount Laguna
- County
- San Diego FIPS 06073
- State
- California
- Country
- United States
- Coordinates
- 32.8676, -116.4206 — precision precise (locality)
View on OpenStreetMap - Population
- 123 (ZCTA, ACS 5-year)
- Population density
- 4 / sq mi
- Land area
- 34.9 sq mi (90.4 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $26,541
- Median age
- 27.4
- Households
- 49
- Housing units
- 137
- Median home value
- $273,400
- Congressional district
- CA-48 (119th Congress)
- USDA hardiness zone
- 8a (10 to 15 °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 91948 with another ZIP · ZIPs within 25 miles · distance from 91948
Map of ZIP code 91948
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 33°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 50 | 50 | 54 | 61 | 68 | 78 | 83 | 82 | 76 | 67 | 57 | 51 |
| Avg low °F | 33 | 34 | 36 | 40 | 46 | 53 | 60 | 58 | 54 | 45 | 38 | 34 |
| Precip in | 2.7 | 4.8 | 2.6 | 0.9 | 0.4 | 0.1 | 0.8 | 0.5 | 0.5 | 0.7 | 1.4 | 2.3 |
NOAA 1991–2020 climate normals from the nearest station: MT LAGUNA #3 (0.1 mi) · NOAA NCEI
Places in ZIP 91948
- 1 colleges & universities
- 2 restaurants & cafés
- 2 parks
- 1 post offices
- 3 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