The basics
Total Population
814
Median Age
50.9
Home values & property tax
Ranked against U.S. ZIP codes.
Median Home Value
$531,500
Higher than 89%
Median Property Tax
$5,684
Effective Tax Rate
1%
Cost of living & affordability
Ranked against U.S. ZIP codes.
Price-to-Income Ratio
2.78
Near median
Climate & weather
Ranked against U.S. ZIP codes.
Summer Avg High (°F)
83.4
Winter Avg Low (°F)
26.5
Avg Temperature (°F)
55.2
Hot Days/yr (>90°F)
15.8
Freezing Days/yr (<32°F)
97.5
Annual Precipitation (in)
46.9
Annual Snowfall (in)
15.1
Flood & disaster risk
Ranked against U.S. ZIP codes.
FEMA Risk Score
42.3
Lower than 75%
EAL Flood/Coastal per $1K
0.17
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 20645: frequently asked questions
- What is the median home value in ZIP Code 20645?
- The median home value in ZIP Code 20645 is $531,500, higher than 89% of U.S. ZIP codes.
- How much is property tax in ZIP Code 20645?
- The median annual property tax in ZIP Code 20645 is $5,684, an effective rate of 1% of home value.
- Is ZIP Code 20645 expensive to live in?
- Homes in ZIP Code 20645 cost about 2.78× the median household income, near the U.S. ZIP codes median.
- What is the weather like in ZIP Code 20645?
- ZIP Code 20645 averages 55.2°F year-round, summer highs near 83.4°F, winter lows around 26.5°F (NOAA 1991–2020 normals). It sees about 15.1 inches of snow a year.
- Is ZIP Code 20645 at risk of flooding or natural disasters?
- ZIP Code 20645's FEMA National Risk Index score is 42.3 (lower than 75% of U.S. ZIP codes). Its greatest modeled natural hazard is flood_coastal. Expected annual loss from flooding is 0.17 per $1,000 of building value.
Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →