Texas's 27th congressional district of the United States House of Representatives covers the coastal bend of Texas' Gulf Coast consisting of Corpus Christi and Victoria up to Bastrop County near Austin. Its current representative is Republican Michael Cloud. Cloud was elected to the district in a special election on June 30, 2018, to replace former Republican representative Blake Farenthold, who had resigned on April 6.

Nueces County is located in the U.S. state of Texas. As of the 2020 census, the population was 353,178, making it the 16th-most populous county in the state. The county seat is Corpus Christi. The county was formed in 1846 from portions of San Patricio County and organized the following year. It is named for the Nueces River, which marks the county's northwestern boundary with San Patricio County before emptying into its mouth at Nueces Bay north of the port of Corpus Christi. Nueces County is part of the Corpus Christi metropolitan statistical area.