Greencastle is located in Indiana. Greencastle, Indiana has a population of 10,780. Greencastle is more family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 27%.
The median household income in Greencastle, Indiana is $50,278. The median household income for the surrounding county is $63,014 compared to the national median of $66,222. The median age of people living in Greencastle is 30.6 years.
The average high temperature in July is 86 degrees, with an average low temperature in January of 17.7 degrees. The annual precipitation is 44.2.