 With a 2017 ACS 5-Year Population Estimate  of 45,780 people living in Potomac.As of 2010, the racial makeup of the CDP was 75.8% White, 4.6% African American, 0.1% Native American, 15.9% Asian, 0.01% Pacific Islander, 0.90% from other races, and 2.6% from two or more races.Hispanic or Latino of any race were 6.4% of the population.