Apartment hunting in Marietta? Look at apartments in Downtown Marietta, a low density neighborhood in Marietta, GA? For renters who prefer a calm neighborhood, less than half of households in Downtown Marietta have kids. Residents of Downtown Marietta may prefer to have a car, since 88% of residents use their vehicles to get around. Getting to and from work takes about 25 minutes. Residents are well-educated, with a large number having postgraduate degrees.