La Plata is located in Maryland. La Plata, Maryland 20646 has a population of 9,116. La Plata 20646 is less family-centric than the surrounding county with 30% households with children. The county percentage for households with children is 33%.
The median household income in La Plata, Maryland 20646 is $87,513. The median household income for the surrounding county is $100,626 compared to the national median of $66,222. The median age of people living in La Plata 20646 is 39.8 years.
The average high temperature in July is 84.8 degrees, with an average low temperature in January of 26 degrees. The annual precipitation is 44.04.