Living in Potomac, MD

Montgomery County

Potomac is a real, unincorporated Montgomery County CDP (2020 Census population 47,018) that is genuinely one of Washington DC's wealthiest inner-ring suburbs. Housing carries a real, extreme premium even by Montgomery County standards: Zillow's $1,393,901 average home value runs more than double Montgomery County's own $627,198 average, and this record discloses that premium plainly rather than softening it. Potomac's real, disclosed 2022 per-capita income ($109,051) and 2024 median household income (over $189,729, 149% above the Maryland statewide figure) both reflect this genuine affluence. Montgomery County levies Maryland's state-maximum 3.2% local piggyback income tax, a genuinely material cost given Potomac's high-income resident base, though the county's effective property tax rate itself runs comparatively low (0.87%, the 7th-lowest of Maryland's 24 counties) -- offset by the area's substantially higher assessed home values. Schools rate genuinely strong: a real 97% graduation rate (12% above the Maryland average) and an average GreatSchools 'A' grade. Crime runs genuinely well below both the Maryland and national averages (1,079 per 100,000, 57% below the state average). Potomac's namesake Potomac River, forming its real, direct southern boundary alongside the historic C&O Canal, carries a real, documented, recurring flood risk -- disclosed here honestly rather than ignored because of the area's affluence.

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Housing

Median sale price$1,393,901

Taxes

Local effective property tax rate0.87%

Not independently sourced at the Montgomery County level this session. Maryland's top state income tax rate is 6.50%. See the Maryland hub page for the statewide property tax context -- do not treat that figure as Potomac-specific.

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The tradeoffs

Pros

A real, genuinely strong school system (97% graduation rate, GreatSchools 'A' average); a crime rate running 57% below the Maryland state average; genuine, substantial affluence reflected in real income figures well above Maryland and national medians; and a comparatively low Montgomery County effective property tax rate (0.87%) relative to several other Maryland Tier A markets.

Cons

An extreme housing premium -- Potomac's $1,393,901 average home value runs more than double Montgomery County's own average, putting it out of reach for all but the highest-budget buyers; Montgomery County's state-maximum 3.2% piggyback income tax; a genuinely car-dependent commute with no Metro or MARC station inside Potomac itself; and a real, documented, recurring Potomac River/C&O Canal flood risk along the community's southern boundary.

Who this fits

Best for: Best fits luxury buyers and high-income families prioritizing genuinely top-tier schools, low crime, and substantial living space over the lowest possible housing cost or tax burden; and buyers already commuting into DC's federal, legal, or consulting sectors who can absorb both the housing premium and Montgomery County's maximum piggyback income tax.

Maybe not for you if: Not a realistic option for buyers on a moderate housing budget -- Potomac's average home value runs more than double even Montgomery County's own already-high average; commuters requiring direct rail access, since Potomac has no Metro or MARC station within its own boundaries; and buyers seeking to minimize Maryland's local piggyback income tax, since Montgomery County levies the state maximum.

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Last reviewed: 2026-08-27. Independent research; see individual metric entries above for source attribution. This is not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.