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ZIP Code 51011

Sioux, Iowa

FIPS 51011

Juniper

ZIP Code 51011 is in the bottom 9% nationally for FEMA risk score.

FEMA Risk Score

94.1

Higher than 91% of U.S. ZIP codes

The basics

Total Population

54

Median Age

60.5

Climate & weather

Ranked against U.S. ZIP codes.

Summer Avg High (°F)

82.8

Winter Avg Low (°F)

10.4

Avg Temperature (°F)

46.7

Hot Days/yr (>90°F)

19.4

Freezing Days/yr (<32°F)

166.4

Annual Precipitation (in)

29.9

Annual Snowfall (in)

30.6

Flood & disaster risk

Ranked against U.S. ZIP codes.

FEMA Risk Score

94.1

Higher than 91%

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 51011: frequently asked questions

What is the weather like in ZIP Code 51011?
ZIP Code 51011 averages 46.7°F year-round, summer highs near 82.8°F, winter lows around 10.4°F (NOAA 1991–2020 normals). It sees about 30.6 inches of snow a year.
Is ZIP Code 51011 at risk of flooding or natural disasters?
ZIP Code 51011's FEMA National Risk Index score is 94.1 (higher than 91% 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 →