Marietta is a city located in Oklahoma. With a 2020 population of 2,776, it is the 120th largest city in Oklahoma and the 6476th largest city in the United States. Marietta is currently growing at a rate of 0.40% annually and its population has increased by 5.71% since the most recent census, which recorded a population of 2,626 in 2010. Spanning over 2 miles, Marietta has a population density of 1,142 people per square mile.
The average household income in Marietta is $52,716 with a poverty rate of 23.84%. The median rental costs in recent years comes to $663 per month, and the median house value is $82,300. The median age in Marietta is 32.7 years, 30.8 years for males, and 33.9 years for females. For every 100 females there are 94.8 males.