De Leon, TX has a population of 2,296 and is the 10,268th largest city in the United States. The population density is 1,024 per sq mi which is 806% higher than the Texas average and 1030% higher than the national average. The median age in De Leon is 41 which is approximately 19% higher than the Texas average of 34. In De Leon, 64% of the population over 15 years of age are married, 78% speak English and 21% speak Spanish. 82% of De Leon residents were born in Texas, 14% were born out of state, 0% were born outside of the United States and 4% were foreign born.