what county is baytown texas located
From Wikipedia, the free encyclopedia. Baytown is a city within Harris County and partially in Chambers County in the Gulf Coast region of the U.S. state of Texas. Located within the HoustonâThe WoodlandsâSugar Land metropolitan area, it lies along State Highway 146 and Interstate 10. It is the fourth-largest city within this metropolitan area. As of 2010, Baytown had a population of 71,802, and it had an estimated population of 76,127 in 2014.