San Angelo ) is a city in the state of Texas. Located in West Central Texas it is the county seat of Tom Green County. As of 2009 according to an estimate published by the United States Census Bureau, the city has a total population of 92,147. The San Angelo metropolitan area consists of Tom Green and Irion counties and had a population of 108,085 according to 2007 Census estimates.San Angelo is home to Angelo State University, historic Fort Concho, and Goodfellow Air Force BaseSome common aliases or nicknames of San Angelo include The River City, The Concho City, The Pearl of the Conchos, and The Oasis of West Texas; many residents refer to it as simply "Angelo".