Arney is a ghost town in Castro County, Texas, United States. Founded 1901, it was named for the Arney settler family. A post office operated from 1902 to 1912, located in postmaster William D. Robinson's house. A schoolâÂÂbuilt on land donated by C. H. CoxâÂÂwas built in 1905, and was consolidated by Dimmitt Independent School District in 1945, leaving the schoolhouseâÂÂreceived a placard from the Texas Historical Commission in 1985âÂÂas a community center. By 2000, it was not considered a community.