Bonanza Hills, TX has a population of 125 and is the 26,276th largest city in the United States. The population density is 112 per sq mi which is 16% higher than the Texas average and 24% higher than the national average. The median age in Bonanza Hills is 19 which is approximately 43% lower than the Texas average of 34. In Bonanza Hills, 45% of the population over 15 years of age are married, 9% speak English and 91% speak Spanish. 100% of Bonanza Hills residents were born in Texas, 0% were born out of state, 0% were born outside of the United States and 0% were foreign born.