They don't call themselves an innovation district, but it is very much in the same spirit. DowntownProject.com
... goal and purpose is to help make downtown Vegas a place of
Inspiration, Entrepreneurial Energy, Creativity, Innovation, Upward
Mobility, and Discovery, through the 3 C’s of Collisions, Co-learning,
and Connectedness in a long-term, sustainable way.
Collisions? I like it. It is unclear what role the university plays though.
Read about Tony Hsieh presenting at the 2014 AIA conference, who measures his success by a new metric: ROC (return on community).