what county is houston in
Harris County is one of 10 counties in the Houston region, which is located on the upper Gulf coastal plain of Texas. Harris County's population as of July 1, 2013 was 4,336,853, the largest county in Texas by population.ort Bend County is located in East Central Texas and is one of 13 counties in the Gulf Coast Region. Fort Bend County's 2010 population was 585,375. Richmond is the county seat. Other towns include Rosenberg, Katy, Sugar Land, Stafford and Missouri City.