Potomac, Maryland Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Potomac, Maryland is 46,230 as of the 2023 American Community Survey, making it the 20th-largest city in Maryland. The median household income is $239,205, the median home value is $1,105,900, and the median age is 47.0.
46,230
Population
1837
People / sq mi
$239,205
Median Income
$1,105,900
Median Home Value
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Potomac covers 25.2 sq mi of land at 1837 people per square mile.
About Potomac, MD
Educational attainment is the headline number in Potomac: 84.5% of adults 25 and older have a four-year degree. Potomac is a city in Maryland with a population of 46,230. It ranks #20 among cities in Maryland by population.
Income is a real outlier — the median household pulls in $239,205, putting Potomac near the top of US cities. Very few residents live in poverty — 2.0%, below the national 12.4%. Housing is expensive: the median home is worth $1,105,900, with typical rent around $2,616.
Potomac is among the best-educated US cities: 84.5% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. An unusually large 33.1% of workers are remote, above the national 14.0%, and the average commute runs about 31 minutes each way.
The education numbers are the throughline: a college-heavy population in Potomac usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Race & Ethnicity
| White | 61.5% |
| Black or African American | 5.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.4% |
| Two or More Races | 0.0% |
Economy & Income
$239,205
Median Household Income
$109,051
Per Capita Income
2.0%
Poverty Rate
2.2%
Unemployment Rate
Housing
$1,105,900
Median Home Value
$2,616
Median Rent
85.1%
Owner-Occupied
Education
97.0%
High School+
84.5%
Bachelor's+
Commute
4.2%
Drive Alone
53.9%
Public Transit
33.1%
Work From Home
31.2 min
Avg Commute
Community Profile
48.6%
Foreign Born
61.9%
Non-English at Home
4.7%
Veterans
8.9%
With Disability
98.6%
Health Insurance
99.2%
Internet Access
Employment by Industry
| Finance, Insurance & Real Estate | 26.6% |
| Professional, Scientific & Management | 22.2% |
| Public Administration | 15.6% |
| Information | 11.0% |
| Arts, Entertainment & Food Services | 4.9% |
| Education, Health Care & Social Services | 4.1% |
| Manufacturing | 3.2% |
| Transportation & Warehousing | 2.4% |
| Construction | 2.1% |
| Retail Trade | 1.2% |
| Agriculture & Mining | 0.4% |
Largest cities in Maryland
Largest counties in Maryland
Part of Maryland
Metro areas in Maryland
City rankings
Frequently Asked Questions
Potomac, Maryland has a population of 46,230 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 20th-largest city in Maryland.
The median household income in Potomac, Maryland is $239,205, with 2.0% of residents living below the federal poverty level.
The median home value in Potomac, Maryland is $1,105,900, with median monthly rent at $2,616 and a homeownership rate of 85.1%.
The median age in Potomac, Maryland is 47.0 years. The population is 48.7% male and 51.3% female.
Potomac Cdp, MD Climate
Potomac Cdp, MD has an average annual temperature of 12.8°C (55°F) and receives about 1049 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.8°C
Avg Temp
1049
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 0° / 33° | 76 mm |
| February | 2° / 35° | 70 mm |
| March | 7° / 44° | 90 mm |
| April | 12° / 54° | 81 mm |
| May | 17° / 63° | 106 mm |
| June | 22° / 72° | 93 mm |
| July | 25° / 76° | 97 mm |
| August | 24° / 75° | 95 mm |
| September | 20° / 68° | 93 mm |
| October | 14° / 56° | 82 mm |
| November | 8° / 47° | 86 mm |
| December | 3° / 38° | 80 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Potomac Cdp, MD
The most comfortable months to visit Potomac Cdp, MD are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -4°C low). May is usually the wettest month.
Where to stay near Potomac
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Statewide data for Maryland
Population, race, income, age, and trends across Maryland
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.