Back to Explorer

ZIP Code 21790

Frederick, Maryland

FIPS 21790

Juniper

ZIP Code 21790 is in the top 14% nationally for FEMA risk score.

FEMA Risk Score

27.8

Lower than 86% of U.S. ZIP codes

The basics

Total Population

170

Median Age

29.5

Climate & weather

Ranked against U.S. ZIP codes.

Summer Avg High (°F)

86.8

Winter Avg Low (°F)

28.6

Avg Temperature (°F)

57

Hot Days/yr (>90°F)

36.5

Freezing Days/yr (<32°F)

83.6

Annual Precipitation (in)

47.9

Annual Snowfall (in)

32.6

Flood & disaster risk

Ranked against U.S. ZIP codes.

FEMA Risk Score

27.8

Lower than 86%

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 21790: frequently asked questions

What is the weather like in ZIP Code 21790?
ZIP Code 21790 averages 57°F year-round, summer highs near 86.8°F, winter lows around 28.6°F (NOAA 1991–2020 normals). It sees about 32.6 inches of snow a year.
Is ZIP Code 21790 at risk of flooding or natural disasters?
ZIP Code 21790's FEMA National Risk Index score is 27.8 (lower than 86% of U.S. ZIP codes). Its greatest modeled natural hazard is hurricane.

Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →