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ZIP Code 20878
North Potomac, MD, Montgomery County
Population
66,115
Land area
20.4sq mi
People per sq mi
3,233
City
North Potomac
ZIP 20878 and nearby ZIP codes
ZIP 20878 at a glance
- ZIP 20878 (North Potomac) is about 5.1 times as dense as Maryland as a whole.
- Households here earn a median of $144,313 a year, 39% more than the Maryland figure of $103,678.
- A typical owner-occupied home is valued at $715,800 (70% above Maryland) and median rent is $2,226 a month.
Local data for ZIP 20878
Counts from official public data
Housing and community stats
ZIP 20878, American Community Survey 2020-2024
Median household income
$144,313
Poverty rate
5.2%
Median home value
$715,800
Prices +3.4% in a year
Median rent
$2,226/mo
Homeownership
69.2%
Bachelor's or higher
70.3%
Median age
41.4
Average commute
29.4 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
2,087
ZIP Business Patterns 2023
Employees
23,732
$2B annual payroll
PPP loans
$151M
2,150 loans
Campaign donations
$697K
38% D, 10% R, 2026 cycle
Environment and hazard risk
ZIP 20878, 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 20878, CDC PLACES estimates
Obesity
23.2%
U.S. 33.3% -10.1 pts
Diabetes
9.3%
U.S. 12.1% -2.8 pts
Smoking
6.2%
U.S. 12.8% -6.6 pts
Uninsured (18-64)
6.8%
U.S. 11.1% -4.3 pts
Frequently asked questions
- What city is ZIP code 20878?
- ZIP code 20878 is in North Potomac, MD (Montgomery County).
- What county is ZIP code 20878 in?
- ZIP code 20878 is mostly in Montgomery County, Maryland.
- How many people live in ZIP code 20878?
- About 66,115 people live in the 20878 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.