Sidney is a town located in Sharp County, in the state of Arkansas (AR), United States. Nestled in the West South Central division of the South region, it covers an area of 2.2 square miles (6.0 km²) and sits at an elevation of 611 ft. With a population of approximately 275 residents, Sidney offers a peaceful, rural atmosphere.
The town's population is composed of about 40% males and 60% females, and it has a population density of 126.73 people per square mile (48.93/km²). Sidney lies at a latitude of 36 and a longitude of -91.66, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (20%), followed by English (2.5%), German (6.2%), and Scotch-Irish (1.8%) heritage. The town is identified by the ZIP code 72577.