Delavan is a city in Walworth County and located northwest of Lake Geneva. In the 1800's, Delavan was home to 26 circus companies, including Mabie Brothers (the largest in America at the time) and P.T. Barnum. Today, you'll find circus statues in the Historic Circus District. Delavan Lake is on the south end of town and covers over 2 square miles. The Lake Lawn Resort is situated on the northeast shores of this lake. The population of Delavan is 2,649.