Population > 1.1 million
Leading indicator > Youngest urban citizenry in the United States
Fast company > Alzheimer's drugmaker Myriad Genetics
Mayor Rocky Anderson, a liberal anomaly in Utah, is radically redesigning Salt Lake City's downtown. He envisions more green space and the return of City Creek, which now flows under the streets. The goal: a more open, human feel that attracts newcomers--among them traffic-weary Californians--to the city center.