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ZIP Code 20899
Gaithersburg, MD, Montgomery County
Population
57
Land area
0.1sq mi
People per sq mi
538
City
Gaithersburg
ZIP 20899 and nearby ZIP codes
Local data for ZIP 20899
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
8
ZIP Business Patterns 2023
Employees
198
$12.4M annual payroll
PPP loans
$633K
2 loans
Environment and hazard risk
ZIP 20899, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: winter weather
Storm events since 1996
1,849
Countywide, mostly thunderstorm wind
Flood insurance policies
2,029
0.8% of homes, county
July high / Jan low
87° / 27°F
41.3 inches of rain a year
Health statistics
Share of adults in ZIP 20899, CDC PLACES estimates
Obesity
34.9%
U.S. 33.3% +1.6 pts
Diabetes
13.6%
U.S. 12.1% +1.5 pts
Smoking
10.5%
U.S. 12.8% -2.3 pts
Uninsured (18-64)
8.0%
U.S. 11.1% -3.1 pts
Frequently asked questions
- What city is ZIP code 20899?
- ZIP code 20899 is in Gaithersburg, MD (Montgomery County).
- What county is ZIP code 20899 in?
- ZIP code 20899 is mostly in Montgomery County, Maryland.
- How many people live in ZIP code 20899?
- About 57 people live in the 20899 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.