Gonzales, TX has a population of 7,440 and is the 4,960th largest city in the United States. The population density is 1,224 per sq mi which is 1162% higher than the Texas average and 1251% higher than the national average. The median age in Gonzales is 35 which is approximately 2% higher than the Texas average of 34. In Gonzales, 56% of the population over 15 years of age are married, 60% speak English and 39% speak Spanish. 77% of Gonzales residents were born in Texas, 8% were born out of state, 1% were born outside of the United States and 14% were foreign born.