Tomball is located in Harris County. About 12,341 people live here (as of 2020). Between 2010 and 2020, the population grew from 10,753 to 12,341. The region is at 57 meters above sea level. The area covers about 31.8 square kilometers. There are about 905 streets in Tomball. The region was founded in 1907. The postal codes are 77375–77377. Tomball is city in Harris County, Texas, United States. Among other things, Tomball has restaurants, cafés, clothing Stores, attractions, banks, hairdressers, dentists, doctors and pharmacies. More information at
www.ci.tomball.tx.us.