Escanaba, commonly shortened to Esky, is a port city and the county seat of Delta County in the U.S. state of Michigan, located on Little Bay de Noc in the state's Upper Peninsula. The population was 12,450 at the 2020 census, making it the third-largest city in the Upper Peninsula after Marquette and Sault Ste. Marie.

Delta County is a county in the Upper Peninsula in the U.S. state of Michigan. As of the 2020 census, the population was 36,903. The county seat is Escanaba. The county was surveyed in 1843 and organized in 1861. Its name originates from the Greek letter delta (Δ), which refers to the triangular shape of the original county which included segments of Menominee, Dickinson, Iron, and Marquette counties. Recreation and forest products are major industries, and crops include hay, corn, small grains, potatoes, and strawberries.