Marietta is located in Pennsylvania. Marietta, Pennsylvania has a population of 2,692. Marietta is less family-centric than the surrounding county with 22% households with children. The county percentage for households with children is 28%.
The median household income in Marietta, Pennsylvania is $52,425. The median household income for the surrounding county is $64,285 compared to the national median of $61,963. The median age of people living in Marietta is 41.7 years.
The average high temperature in July is 85.4 degrees, with an average low temperature in January of 20.8 degrees. The annual precipitation is 43.4.