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ZIP Code 20837
Poolesville, MD, Montgomery County
Population
6,699
Land area
40.3sq mi
People per sq mi
166
City
Poolesville
ZIP 20837 and nearby ZIP codes
ZIP 20837 at a glance
- ZIP 20837 (Poolesville) is 74% less dense than Maryland as a whole.
- The median household income is $174,063, 68% above the Maryland median of $103,678.
- A typical owner-occupied home is valued at $772,300 (84% above Maryland) and median rent is $1,996 a month.
Local data for ZIP 20837
Counts from official public data
Housing and community stats
ZIP 20837, American Community Survey 2020-2024
Median household income
$174,063
Poverty rate
8.7%
Median home value
$772,300
Prices +0.3% in a year
Median rent
$1,996/mo
Homeownership
91.9%
Bachelor's or higher
57.1%
Median age
45.9
Average commute
38.3 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
121
ZIP Business Patterns 2023
Employees
1,084
$53.9M annual payroll
PPP loans
$14.1M
158 loans
Campaign donations
$54.4K
48% D, 6% R, 2026 cycle
Environment and hazard risk
ZIP 20837, 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° / 25°F
45.1 inches of rain a year
Health statistics
Share of adults in ZIP 20837, CDC PLACES estimates
Obesity
25.9%
U.S. 33.3% -7.4 pts
Diabetes
9.2%
U.S. 12.1% -2.9 pts
Smoking
7.7%
U.S. 12.8% -5.1 pts
Uninsured (18-64)
6.1%
U.S. 11.1% -5.0 pts
Frequently asked questions
- What city is ZIP code 20837?
- ZIP code 20837 is in Poolesville, MD (Montgomery County).
- What county is ZIP code 20837 in?
- ZIP code 20837 is mostly in Montgomery County, Maryland.
- How many people live in ZIP code 20837?
- About 6,699 people live in the 20837 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.