From a total population of 2,659, Marietta has a median age of 33.5. The average age of males, in Marietta, is 36.4 while the average age of females is 29.8. When you compare this to median age of Oklahoma, Marietta is 2.7 years younger.
The median income of individuals, in Marietta, is $14,734 while the average household income is $34,042. When comparing the median income of people living in Marietta to the rest of Oklahoma, the average income in Marietta is $9,961 less.