Lennox is a city in Lincoln County, South Dakota, United States, located 20 miles (32 km) southwest of Sioux Falls. The population was 2,423 at the 2020 census. The city has the name of Ben Lennox, private secretary to the general manager to the Milwaukee Railroad. The City's rich history is preserved through the effort of the Lennox Area Historical Society and shared with the public through the Lennox Museum.
There are many opportunities offered throughout the year for a variety of activities which appeal to all ages. The July 4th celebration is one that draws people from all around as the community grows from 2,000 to 12,000 for one day out of the year. In addition to this the Commercial Club offers a variety of events for community to enjoy throughout the year.