Galena Park, TX has a population of 11,119 and is the 3,630th largest city in the United States. The population density is 2,324 per sq mi which is 2297% higher than the Texas average and 2465% higher than the national average. The median age in Galena Park is 30 which is approximately 13% lower than the Texas average of 34. In Galena Park, 55% of the population over 15 years of age are married, 30% speak English and 70% speak Spanish. 59% of Galena Park residents were born in Texas, 4% were born out of state, 1% were born outside of the United States and 36% were foreign born.