Buda, TX has a population of 11,936 and is the 3,430th largest city in the United States. The population density is 2,069 per sq mi which is 2035% higher than the Texas average and 2184% higher than the national average. The median age in Buda is 34 which is approximately 1% lower than the Texas average of 34. In Buda, 65% of the population over 15 years of age are married, 83% speak English and 15% speak Spanish. 70% of Buda residents were born in Texas, 26% were born out of state, 1% were born outside of the United States and 4% were foreign born.