Jefferson Park is a 7acre park in the Jefferson Park community area of Chicago, Illinois on the National Register of Historic Places.Park featuresThe park is equipped with two baseball fields, one combination football/soccer field, three tennis courts, one playground and a spray pool and a full outdoor swimming pool with dressing facility. Each summer, hundreds of residents stroll the park grounds for “Jeff Fest,” a Jefferson Park Chamber of Commerce-sponsored outdoor community festival featuring local food, vendors and bands. The all-volunteer Citywide Orchestra practices at Jefferson Park and performs seasonal concerts for the community.