The basics
Total Population
112
Median Age
54
Climate & weather
Ranked against U.S. ZIP codes.
Summer Avg High (°F)
93.9
Winter Avg Low (°F)
36.8
Avg Temperature (°F)
66.5
Hot Days/yr (>90°F)
85.1
Freezing Days/yr (<32°F)
47.3
Annual Precipitation (in)
54
Annual Snowfall (in)
0
Flood & disaster risk
Ranked against U.S. ZIP codes.
FEMA Risk Score
68.3
Near median
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 31821: frequently asked questions
- What is the weather like in ZIP Code 31821?
- ZIP Code 31821 averages 66.5°F year-round, summer highs near 93.9°F, winter lows around 36.8°F (NOAA 1991–2020 normals).
- Is ZIP Code 31821 at risk of flooding or natural disasters?
- ZIP Code 31821's FEMA National Risk Index score is 68.3 (near the U.S. ZIP codes median). Its greatest modeled natural hazard is tornado.
Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →