ZIP Code 21778
About Rocky Ridge
Rocky Ridge is an unincorporated community in Frederick County, Maryland, United States. The name "Rocky Ridge" likely refers to a ridge of ironstone which runs through the area.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
840
population
$110,489
median household income
46
people / sq mi
$415,700
median home value
51.8
median age
363
housing units
331
households
18.2
land area (sq mi)