Potomac is a census-designated place in Montgomery County, Maryland, United States, named after the nearby Potomac River. Potomac’s geographical focal point is Potomac Village, a small cluster of shops and businesses at the intersection of Maryland State Highway 189 (Falls Road) and Maryland State Highway 190 (River Road). The median income for a household in the CDP was 187,568 in 2017 dollars, Males had a median income of $100,000+ versus $78,442 for females. The climate in this area is characterized by hot, humid summers and generally mild to cold winters. According to the Köppen climate classification system, Potomac has a humid subtropical climate, abbreviated “Cfa” on climate maps.
The land that is now Potomac Village was first settled by Edward Offutt in 1714 after he was granted a 600-acre land grant “Clewerwell” by Lord Baltimore. By the turn of the 20th century, Potomac experienced a period of growth. Thomas Perry, an operator of a nearby general store, built a house on the corner of Falls and River Roads in 1902. More residential structures were built on the northern section of Falls Road throughout the 1920s and 1930s. During the 1950s, Potomac was one of many communities in Montgomery County to experience suburbanization. Potomac quickly transformed from a rural farming community to a suburban community from the mid- to late 20th century.