Corrigan is a town in Polk County, Texas in the United States of America. The town was named for Pat Corrigan, conductor on the first train on the newly built Houston, East and West Texas Railway to arrive in the town. According to the United States Census Bureau, the town has a total area of 1.8 square miles (4.7 km2), all of it land. The Town of Corrigan is served by the Corrigan-Camden Independent School District. According to the Köppen Climate Classification system, Corrigan has a humid subtropical climate, abbreviated “Cfa” on climate maps.