The basics
Total Population
75
Median Age
16.6
Climate & weather
Ranked against U.S. ZIP codes.
Summer Avg High (°F)
80.5
Winter Avg Low (°F)
4.1
Avg Temperature (°F)
42.3
Hot Days/yr (>90°F)
16.3
Freezing Days/yr (<32°F)
169.9
Annual Precipitation (in)
24.3
Annual Snowfall (in)
45.4
Flood & disaster risk
Ranked against U.S. ZIP codes.
FEMA Risk Score
97.8
Higher than 97%
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 57421: frequently asked questions
- What is the weather like in ZIP Code 57421?
- ZIP Code 57421 averages 42.3°F year-round, summer highs near 80.5°F, winter lows around 4.1°F (NOAA 1991–2020 normals). It sees about 45.4 inches of snow a year.
- Is ZIP Code 57421 at risk of flooding or natural disasters?
- ZIP Code 57421's FEMA National Risk Index score is 97.8 (higher than 97% of U.S. ZIP codes). Its greatest modeled natural hazard is hail.
Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →