Marthasville is located in Missouri. Marthasville, Missouri has a population of 1,235. Marthasville is more family-centric than the surrounding county with 35% households with children. The county percentage for households with children is 28%.
The median household income in Marthasville, Missouri is $71,905. The median household income for the surrounding county is $62,057 compared to the national median of $66,222. The median age of people living in Marthasville is 37.3 years.
The average high temperature in July is 88.65 degrees, with an average low temperature in January of 19.82 degrees. The annual precipitation is 40.17.