Mart, TX has a population of 2,046 and is the 10,882nd largest city in the United States. The population density is 1,553 per sq mi which is 1502% higher than the Texas average and 1614% higher than the national average. The median age in Mart is 34 which is approximately 1% higher than the Texas average of 34. In Mart, 55% of the population over 15 years of age are married, 91% speak English and 8% speak Spanish. 83% of Mart residents were born in Texas, 13% were born out of state, 0% were born outside of the United States and 3% were foreign born.