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ZIP Code 20818
Cabin John, MD, Montgomery County
Population
1,539
Land area
0.9sq mi
People per sq mi
1,658
City
Cabin John
ZIP 20818 and nearby ZIP codes
ZIP 20818 at a glance
- ZIP 20818 (Cabin John) is about 2.6 times as dense as Maryland as a whole.
- Households here earn a median of $245,982 a year, about 2.4 times the Maryland figure of $103,678.
- A typical owner-occupied home is valued at $1,335,100 (about 3.2 times the Maryland figure).
Local data for ZIP 20818
Counts from official public data
Housing and community stats
ZIP 20818, American Community Survey 2020-2024
Median household income
$245,982
Poverty rate
1.1%
Median home value
$1,335,100
Prices +15.0% in a year
Homeownership
95.3%
Bachelor's or higher
86.4%
Median age
52.7
Average commute
30.1 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
52
ZIP Business Patterns 2023
Employees
500
$36.6M annual payroll
PPP loans
$5.2M
70 loans
Campaign donations
$565K
34% D, 2% R, 2026 cycle
Environment and hazard risk
ZIP 20818, 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
88° / 26°F
48.5 inches of rain a year
Health statistics
Share of adults in ZIP 20818, CDC PLACES estimates
Obesity
22.7%
U.S. 33.3% -10.6 pts
Diabetes
8.9%
U.S. 12.1% -3.2 pts
Smoking
4.7%
U.S. 12.8% -8.1 pts
Uninsured (18-64)
3.8%
U.S. 11.1% -7.3 pts
Frequently asked questions
- What city is ZIP code 20818?
- ZIP code 20818 is in Cabin John, MD (Montgomery County).
- What county is ZIP code 20818 in?
- ZIP code 20818 is mostly in Montgomery County, Maryland.
- How many people live in ZIP code 20818?
- About 1,539 people live in the 20818 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.