Marietta, TX has a population of 131 and is the 26,133rd largest city in the United States. The population density is 227 per sq mi which is 134% higher than the Texas average and 150% higher than the national average. The median age in Marietta is 59 which is approximately 72% higher than the Texas average of 34. In Marietta, 69% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 71% of Marietta residents were born in Texas, 28% were born out of state, 0% were born outside of the United States and 1% were foreign born.
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The population density in Marietta is 134% higher than Texas.
The median age in Marietta is 72% higher than Texas.
In Marietta 100.00% of the population is White.
In Marietta 0.00% of the population is Black or African American.