The basics
Total Population
2,512
Median Age
20.3
Climate & weather
Ranked against U.S. ZIP codes.
Summer Avg High (°F)
88.5
Winter Avg Low (°F)
46.4
Avg Temperature (°F)
66.2
Hot Days/yr (>90°F)
75.9
Freezing Days/yr (<32°F)
0.6
Annual Precipitation (in)
14.6
Annual Snowfall (in)
0
Flood & disaster risk
Ranked against U.S. ZIP codes.
FEMA Risk Score
99.4
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 91330: frequently asked questions
- What is the weather like in ZIP Code 91330?
- ZIP Code 91330 averages 66.2°F year-round, summer highs near 88.5°F, winter lows around 46.4°F (NOAA 1991–2020 normals).
- Is ZIP Code 91330 at risk of flooding or natural disasters?
- ZIP Code 91330's FEMA National Risk Index score is 99.4 (higher than 99% of U.S. ZIP codes). Its greatest modeled natural hazard is earthquake. Modeled coastal-flood loss is negligible.
Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →