Arnold is located in Maryland.
Arnold, Maryland
21012 has a population of
23,983.
Arnold 21012 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 21012 is
$128,571.
The median household income for the surrounding county is $103,070
compared to the national median of $66,222.
The median age of people living in Arnold
21012 is
43.3 years.
Arnold Weather
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.