Green Castle is located in Missouri. Green Castle, Missouri has a population of 707. Green Castle is less family-centric than the surrounding county with 29.19% of the households containing married families with children. The county average for households married with children is 31.35%.
The median household income in Green Castle, Missouri is $37,632. The median household income for the surrounding county is $42,034 compared to the national median of $57,652. The median age of people living in Green Castle is 49.1 years.
The average high temperature in July is 85.5 degrees, with an average low temperature in January of 14.7 degrees. The average rainfall is approximately 40.3 inches per year, with 17.6 inches of snow per year.