About Arnold, MD
Arnold is located in Maryland. Arnold, Maryland has a population of 23,769. Arnold is more family-centric than the surrounding county with 34% households with children. The county percentage for households with children is 30%.
The median household income in Arnold, Maryland is $122,032. The median household income for the surrounding county is $97,717 compared to the national median of $61,963. The median age of people living in Arnold is 43.3 years.
The average high temperature in July is 87.7 degrees, with an average low temperature in January of 23.8 degrees. The annual precipitation is 44.78.
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