Marietta is located in Lancaster County, Pennsylvania. There are roughly 2,632 residents, living in 1,105 households. The average temperature for Marietta this time of the year is low of 65F and high of 86F. On average, Marietta gets about 4.18 inches of precipitation in July. Most residents are home owners (67%), have a high school diploma (62%) and are single, no kids (41%).
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