The basics
Total Population
797
Median Age
46
Home values & property tax
Ranked against U.S. ZIP codes.
Median Home Value
$188,200
Median Property Tax
$1,598
Effective Tax Rate
1%
Cost of living & affordability
Ranked against U.S. ZIP codes.
Price-to-Income Ratio
3.12
Median Rent
$1,615
Home prices & appreciation
Ranked against U.S. ZIP codes.
Pandemic Gain %
59%
Recession Drop %
-35%
Climate & weather
Ranked against U.S. ZIP codes.
Summer Avg High (°F)
86.5
Winter Avg Low (°F)
30.9
Avg Temperature (°F)
58.7
Hot Days/yr (>90°F)
31.1
Freezing Days/yr (<32°F)
71.4
Annual Precipitation (in)
47.2
Annual Snowfall (in)
8
Flood & disaster risk
Ranked against U.S. ZIP codes.
FEMA Risk Score
79.5
EAL Flood/Coastal per $1K
3.66
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 21821: frequently asked questions
- What is the median home value in ZIP Code 21821?
- The median home value in ZIP Code 21821 is $188,200, near the U.S. ZIP codes median.
- How much is property tax in ZIP Code 21821?
- The median annual property tax in ZIP Code 21821 is $1,598, an effective rate of 1% of home value.
- Is ZIP Code 21821 expensive to live in?
- Homes in ZIP Code 21821 cost about 3.12× the median household income, higher than 56% of U.S. ZIP codes.
- What is the average rent in ZIP Code 21821?
- The median gross rent in ZIP Code 21821 is $1,615 a month, higher than 85% of U.S. ZIP codes.
- What is the weather like in ZIP Code 21821?
- ZIP Code 21821 averages 58.7°F year-round, summer highs near 86.5°F, winter lows around 30.9°F (NOAA 1991–2020 normals). It sees about 8 inches of snow a year.
- Is ZIP Code 21821 at risk of flooding or natural disasters?
- ZIP Code 21821's FEMA National Risk Index score is 79.5 (higher than 69% of U.S. ZIP codes). Its greatest modeled natural hazard is flood_coastal. Expected annual loss from flooding is 3.66 per $1,000 of building value.
Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →