Potomac, Maryland has an MBR Housing Affordability Index score of 82.0 (Moderately Less Affordable) as of October 30, 2026, ranking 211th most affordable of 259 scored Maryland cities, compared with 89.4 statewide and 97.4 nationally. On a median-priced $1,157,000 home with 20% down, a jumbo loan at 7.52% means a monthly principal and interest payment of about $6,481, or 33% of the city’s $236,675 median household income.
The MBR Housing Affordability Index (MBR-HAI) for Potomac is updated every night from live Maryland mortgage rates and U.S. Census Bureau income, home value and housing cost data for the city. A score of 100 equals the national average; higher scores mean homeownership is more affordable.
Potomac is 7.3 points below the Maryland score. Scores as of October 30, 2026. See the Maryland index
View Potomac Mortgage RatesSource: U.S. Census Bureau American Community Survey 5-Year Estimates (2024) for Potomac, Maryland. The rate is the Maryland average 30-year fixed rate from MonitorBankRates, since lenders publish rates by state. A 20% down loan on the median home here is above the $832,750 conforming limit, so the index adds 0.25% for jumbo pricing.
Scores update each morning, computed from rate data captured the previous night. Score of 100 = national average at a 6.5% reference rate.