Silver Grove is a home rule-class city along the Ohio River in Campbell County, Kentucky, in the United States. The population was 1,154 at …Silver Grove is a home rule-class city along the Ohio River in Campbell County, Kentucky, in the United States. The population was 1,154 at the 2020 census. Silver Grove is a railroad town founded in 1911 for the Chesapeake and Ohio Railway. In 1914, a newspaper described it as a modern town, because it boasted electric lights, an urban water and sewer system, a modernized fire department, a school, and a spacious park. In 1948, C&O wanted out of the city. In 1951, Gerald Losey was selected as the first mayor.