The basics
Total Population
494
Median Age
65.2
Home values & property tax
Ranked against U.S. ZIP codes.
Median Property Tax
$1,743
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)
22.5
Annual Snowfall (in)
19.9
Flood & disaster risk
Ranked against U.S. ZIP codes.
FEMA Risk Score
99.5
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 91931: frequently asked questions
- How much is property tax in ZIP Code 91931?
- The median annual property tax in ZIP Code 91931 is $1,743.
- What is the weather like in ZIP Code 91931?
- ZIP Code 91931 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 91931 at risk of flooding or natural disasters?
- ZIP Code 91931's FEMA National Risk Index score is 99.5 (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 →