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ZIP Code 21866
Smith Island, MD, Somerset County
Population
81
Land area
0.1sq mi
People per sq mi
659
City
Smith Island
ZIP 21866 and nearby ZIP codes
Local data for ZIP 21866
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
PPP loans
$3,500
1 loan
Environment and hazard risk
ZIP 21866, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: coastal flooding
Storm events since 1996
279
Countywide, mostly thunderstorm wind
Flood insurance policies
1,649
15.9% of homes, county
July high / Jan low
87° / 30°F
46.3 inches of rain a year
Frequently asked questions
- What city is ZIP code 21866?
- ZIP code 21866 is in Smith Island, MD (Somerset County).
- What county is ZIP code 21866 in?
- ZIP code 21866 is mostly in Somerset County, Maryland.
- How many people live in ZIP code 21866?
- About 81 people live in the 21866 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.