Knoxville is located in Maryland. Knoxville, Maryland 21758 has a population of 5,598. Knoxville 21758 is more family-centric than the surrounding county with 31% households with children. The county percentage for households with children is 28%.
The median household income in Knoxville, Maryland 21758 is $83,454. The median household income for the surrounding county is $59,398 compared to the national median of $61,963. The median age of people living in Knoxville 21758 is 45 years.
The average high temperature in July is 88.9 degrees, with an average low temperature in January of 25.1 degrees. The annual precipitation is 40.64.