Salt River Township was established in 1837, and named for a river of the same name within its borders.[4]
Geography
Salt River Township covers an area of 111.7 square miles (289.3 km2). It contains part of one incorporated city, Mexico (the county seat). Unincorporated places include Champ, Francis (railroad station; formerly Felton), Molino (former post office), Ortiz (railroad station; formerly Doan, and also known as Ortiz Station), Salt River (former post office), and Young's Creek (former post office).