Hoffman Estates is a village in Illinois, United States. The village is located primarily in Cook County with a small section in Kane County. It is a suburb of Chicago. As of the 2010 census, the village population was 51,895. The village was incorporated in 1959.The village now serves as the headquarters location for the Sears Holdings Corporation, the Midwest headquarters for AT&T, and the American headquarters for Mori Seiki. The village owns the Sears Centre, home of the Chicago Bliss of the Legends Football League, the Chicago Slaughter of the Indoor Football League & the Windy City Bulls of the NBA G League. In 2009, the village hosted the Heartland International Tattoo, one of the largest music and dance festivals of its kind in the Midwest.