Potomac, MD ZIP codes

3 ZIP/ZCTAs intersecting this Census place (CDP) in Montgomery County.

ACS 2023 population

46,230

Median household income

$239,205

Median home value

$1,105,900

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Potomac (GEOID 2463300). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 135,289 (3 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Potomac, MD

Census place boundary and intersecting ZIP Code Tabulation Areas for Potomac, MD — Census place boundary for Potomac, MD. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Potomac

Population overlap

Share of each ZIP/ZCTA’s population located within Potomac, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

2081724.6%
208520.0%
2085473.8%
USPS primary city

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Potomac

ZIP	City	County	Population	Income
20817	Bethesda	Montgomery County	37,738	$240,104
20852	Rockville	Montgomery County	47,857	$121,496
20854	Potomac	Montgomery County	49,694	$250,000+

USPS associates these ZIPs with Potomac

These codes list Potomac as a primary or acceptable city. They are not used for the ACS headline.

ZIP	City	County	Population	Income
20850	Rockville	Montgomery County	50,365	$122,691
20859	Potomac	Montgomery County	240	—