This left hand read billboard entering St. Charles County is located in the Streets of St. Charles mixed use development that includes an 8 screen movie theater as well as numerous offices and restaurants. St. Charles County, with a population of 360,485, has been one of the fastest-growing counties in the country for decades. Daily traffic jams for commuters to and from the affluent bedroom communities are the norm. Attractions in the vicinity of this location include the Ameristar Casino, Hollywood Casino, St. Charles Convention Center, Historic Main Street, Bass Pro, Dave & Busters, Hollywood Casino Amphitheater and a nearby banquet center.