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ZIP Code 20606
Leonardtown, MD, St. Mary's County
Population
291
Land area
0.9sq mi
People per sq mi
320
City
Leonardtown
ZIP 20606 and nearby ZIP codes
ZIP 20606 at a glance
- ZIP 20606 (Leonardtown) is 50% less dense than Maryland as a whole.
Local data for ZIP 20606
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
PPP loans
$71K
4 loans
Campaign donations
$208
Itemized, 2026 cycle
Environment and hazard risk
ZIP 20606, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: hurricane
Storm events since 1996
1,019
Countywide, mostly thunderstorm wind
Flood insurance policies
990
2.4% of homes, county
July high / Jan low
88° / 30°F
Health statistics
Share of adults in ZIP 20606, CDC PLACES estimates
Obesity
39.0%
U.S. 33.3% +5.7 pts
Diabetes
14.1%
U.S. 12.1% +2.0 pts
Smoking
15.6%
U.S. 12.8% +2.8 pts
Uninsured (18-64)
6.5%
U.S. 11.1% -4.6 pts
Frequently asked questions
- What city is ZIP code 20606?
- ZIP code 20606 is in Leonardtown, MD (St. Mary's County).
- What county is ZIP code 20606 in?
- ZIP code 20606 is mostly in St. Mary's County, Maryland.
- How many people live in ZIP code 20606?
- About 291 people live in the 20606 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.