Anna, TX has a population of 10,335 and is the 3,859th largest city in the United States. The population density is 649 per sq mi which is 569% higher than the Texas average and 616% higher than the national average. The median age in Anna is 32 which is approximately 8% lower than the Texas average of 34. In Anna, 74% of the population over 15 years of age are married, 85% speak English and 11% speak Spanish. 60% of Anna residents were born in Texas, 31% were born out of state, 0% were born outside of the United States and 9% were foreign born.