Potomac CDP, Maryland Demographics & Population 2026

Population Overview

Potomac CDP is a mid-sized community located in Maryland. The total population is 46,230. It ranks as the 20th most populous out of 528 cities and towns in Maryland.

Age Demographics

The median age in Potomac CDP is 47.0 years. This is 20% higher than the state median of 39.3 years. 10.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Potomac CDP is $239,205. This is 135% higher than the state median of $101,652. Compared to the national median of $78,538, household income here is 205% higher. The poverty rate stands at 3.7%. This is 61% lower than the state poverty rate of 9.3%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.6%. This is 27% lower than the state rate of 4.9%. The median home value is $1,105,900. Housing costs are 178% higher than the state median of $397,700. The home-value-to-income ratio is 4.6x. 85.1% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 67.5%.

Race & Ethnicity

The largest racial or ethnic group in Potomac CDP is White (non-Hispanic), making up 58.0% of the population. Asian residents account for 20.7%. The Black or African American population (5.5%) is well below the state average of 29.2%. The Asian population is significantly higher than the state average (20.7% vs 6.4%).

Education

84.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Potomac CDP in the top 10% of all cities in the state for educational attainment. This is 98% higher than the state rate of 42.7%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.0%. Notably, 55.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Potomac CDP, Maryland is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Maryland state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 528 Census-designated places in Maryland. For official data, visit data.census.gov.