Marietta is located in Ohio. Marietta, Ohio has a population of 13,173. Marietta is more family-centric than the surrounding county with 25% households with children. The county percentage for households with children is 24%.
The median household income in Marietta, Ohio is $40,752. The median household income for the surrounding county is $51,625 compared to the national median of $66,222. The median age of people living in Marietta is 38.1 years.
The average high temperature in July is 84.7 degrees, with an average low temperature in January of 20.8 degrees. The annual precipitation is 41.23.