Sidney is a city in Fremont County, Iowa, United States. The population was 1,070 at the time of the 2020 census. It is the county seat of Fremont County and is one of the smallest county seats in the state.
History
Sidney was laid out in 1851 and was originally to be named Dayton. The surveyors were boarding with the Milton Richards family. Richards' wife suggested they rename the city for her hometown of Sidney, Ohio.
The Sidney Iowa Championship Rodeo, operated by American Legion Post No. 128 since 1924, claims to be the world's largest continuous outdoor rodeo and one of the world's largest rodeos with around 38,000 visitors each year. The event is held in late July/early August.
Geography
According to the United States Census Bureau, the city has a total area of , all land.