Baytown, TX has a population of 75,310 and is the 468th largest city in the United States. The population density is 1,953 per sq mi which is 1915% higher than the Texas average and 2056% higher than the national average. The median age in Baytown is 32 which is approximately 5% lower than the Texas average of 34. In Baytown, 55% of the population over 15 years of age are married, 60% speak English and 37% speak Spanish. 63% of Baytown residents were born in Texas, 16% were born out of state, 2% were born outside of the United States and 19% were foreign born.