Sidney is a city in Shelby County, Ohio, United States. The population was 21,229 at the 2010 census. It is named after English poet Sir Philip Sidney and is the county seat of Shelby County. As well, many of the city's elementary schools are also named after famous writers, such as Emerson, Longfellow and Whittier. Sidney was the recipient of the 1964 All-America City Award. In 2009, it was the subject of the documentary film 45365.ArchitectureSidney is home to the 1881 Second Empire courthouse; the 1877 Gothic revival Monumental Building, dedicated to the county's Civil War dead; the 1918 early-modern People's Federal Savings and Loan Association designed by influential architect Louis Sullivan, which has been designated a National Historic Landmark; and the "smallest house in Sidney" on Shelby Street.The Big Four Bridge is a local landmark that has carried rail traffic since 1923. CSX Transportation uses the rail line and bridge as part of the "NYC" division of Conrail, a direct descendant of the New York Central Railroad and Penn Central Transportation. CSX also operates the north-south rail line, which was better known in earlier years as the Baltimore and Ohio Railroad and later as the Chessie System.
