Decatur is a suburb in the Marietta Metropolitan area. It has a population of 714 and a population density of 20, which is 78% below the national average. It has a median age of 60, which is 16 years above the Marietta Metro median age and 22 years above the national average.

Decatur has a median home value of $180,673, which is 30% above the Metro average.The average rent of $1,100 is 40% above the metro average rent and 7% above the national average rent. The average household income in Decatur is $61,250 , which is 21% above the Metro average household income and 3% below the national average of household income.

The average school rating in Decatur is 6..

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