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ZIP Code 20630

St. Mary's, Maryland

FIPS 20630

Juniper

ZIP Code 20630 is in the top 16% nationally for FEMA risk score. It also sits in the 92th percentile nationally for median home value.

Median Home Value

$618,100

Higher than 92% of U.S. ZIP codes

FEMA Risk Score

30.3

Lower than 84% of U.S. ZIP codes

The basics

Total Population

559

Median Age

56.1

Home values & property tax

Ranked against U.S. ZIP codes.

Median Home Value

$618,100

Higher than 92%

Median Property Tax

$7,273

Effective Tax Rate

1%

Cost of living & affordability

Ranked against U.S. ZIP codes.

Price-to-Income Ratio

2.65

Lower than 58%

Home prices & appreciation

Ranked against U.S. ZIP codes.

Recession Drop %

-24%

Climate & weather

Ranked against U.S. ZIP codes.

Summer Avg High (°F)

85.6

Winter Avg Low (°F)

31.6

Avg Temperature (°F)

58.4

Hot Days/yr (>90°F)

29.3

Freezing Days/yr (<32°F)

69.1

Annual Precipitation (in)

46.3

Annual Snowfall (in)

12.5

Flood & disaster risk

Ranked against U.S. ZIP codes.

FEMA Risk Score

30.3

Lower than 84%

EAL Flood/Coastal per $1K

0.29

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 20630: frequently asked questions

What is the median home value in ZIP Code 20630?
The median home value in ZIP Code 20630 is $618,100, higher than 92% of U.S. ZIP codes.
How much is property tax in ZIP Code 20630?
The median annual property tax in ZIP Code 20630 is $7,273, an effective rate of 1% of home value.
Is ZIP Code 20630 expensive to live in?
Homes in ZIP Code 20630 cost about 2.65× the median household income, lower than 58% of U.S. ZIP codes.
What is the weather like in ZIP Code 20630?
ZIP Code 20630 averages 58.4°F year-round, summer highs near 85.6°F, winter lows around 31.6°F (NOAA 1991–2020 normals). It sees about 12.5 inches of snow a year.
Is ZIP Code 20630 at risk of flooding or natural disasters?
ZIP Code 20630's FEMA National Risk Index score is 30.3 (lower than 84% of U.S. ZIP codes). Its greatest modeled natural hazard is hurricane. Expected annual loss from flooding is 0.29 per $1,000 of building value.

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