Which is city is the county seat of a county with a standard abbreviation of SU?
Sumner County, Kansas Sumner County (standard abbreviation: SU) is a county located in the U.S. state of Kansas. As of the 2010 census, the population was 24,132. Its county seat is Wellington.
Shepherdsville, Kentucky Shepherdsville is a home rule-class city on the Salt River in Bullitt County, Kentucky, in the United States. It is the seat of its county, located just south of Louisville. The population was 11,222 during the 2010 U.S. Census.