Liberty Hill, TX has a population of 1,050 and is the 14,847th largest city in the United States. The population density is 468 per sq mi which is 383% higher than the Texas average and 417% higher than the national average. The median age in Liberty Hill is 29 which is approximately 17% lower than the Texas average of 34. In Liberty Hill, 62% of the population over 15 years of age are married, 84% speak English and 12% speak Spanish. 65% of Liberty Hill residents were born in Texas, 31% were born out of state, 0% were born outside of the United States and 4% were foreign born.