Although Jacksonville isn't on this list it is an interesting run down of what's happening in the downtowns of various peer communities across the country.
QuoteAmerica's major metro area downtowns welcomed double-digit population growth in the decade ending 2010, more than double the rate of growth for their overall cities, according to the U.S. Census. As more Americans, particularly college-educated young adults ages 25 to 34, opt for urban lifestyles, cities scramble to revitalize their central business districts. Here's a run-down of some of the development efforts underway in U.S. cities.
full article: http://www.forbes.com/pictures/mhj45eddgl/introduction-42/Cities mentioned on the list:
Denver
El Paso
Des Moines
Detroit
Louisville
Milwaukee
Cincinnati
Birmingham
Grand Rapids
Pittsburgh
Memphis
Atlanta
Cleveland
Los Angeles
New York