How many people live in the rest of Texas beside city Houston San Antonio Dallas fort worth great Houston?

There are an estimated 25.5 million people living in Texas. Of those, 2.3 million live in Houston, 1.5 million in San Antonio, 1.3 million in Dallas, and 7 million in the Fort Worth-Arlington metropolitan area. This means that there are approximately 13 million people living in the rest of Texas outside of these four major cities.