The basics
Total Population
93
Median Age
34
Climate & weather
Ranked against U.S. ZIP codes.
Summer Avg High (°F)
80.8
Winter Avg Low (°F)
33.6
Avg Temperature (°F)
54.4
Hot Days/yr (>90°F)
4.4
Freezing Days/yr (<32°F)
62.6
Annual Precipitation (in)
17.6
Annual Snowfall (in)
19.9
Flood & disaster risk
Ranked against U.S. ZIP codes.
FEMA Risk Score
99.3
Higher than 99%
EAL Flood/Coastal per $1K
0
The full report
Six pillars — each with percentile benchmarks, 16-year trends, and per-metric detail.
People
Work & Money
Housing
Amenities
Environment & Risk
ZIP Code 91948: frequently asked questions
- What is the weather like in ZIP Code 91948?
- ZIP Code 91948 averages 54.4°F year-round, summer highs near 80.8°F, winter lows around 33.6°F (NOAA 1991–2020 normals). It sees about 19.9 inches of snow a year.
- Is ZIP Code 91948 at risk of flooding or natural disasters?
- ZIP Code 91948's FEMA National Risk Index score is 99.3 (higher than 99% of U.S. ZIP codes). Its greatest modeled natural hazard is wildfire. Modeled coastal-flood loss is negligible.
Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →