Watseka is a city located in Iroquois County, Illinois, United States. It serves as the county seat and has a population of around 5,000 residents. The city is known for its small-town charm and community-oriented atmosphere, making it a pleasant place to live and visit. Founded in the mid-19th century, Watseka has a rich history that includes connections to the Watseka Wonder, a famous case of supposed spiritual possession in the early 1900s. The city features several parks and recreational areas, providing opportunities for outdoor activities and family gatherings.