Four Colorado cities are among the nation’s top 10 metro areas with the highest tech startup density, according to a report released Wednesday by Engine and the Ewing Marion Kauffman Foundation.

Boulder ranked first; Fort Collins-Loveland ranked second; Denver sixth; Colorado Springs ninth.

“In the case of Boulder, a startup community whose evolution I’ve observed and participated in closely over the past many years, the cultural and economic transformation has been extraordinary,” said Brad Feld, co-founder of Boulder’s Foundry Group, who was quoted in the report.

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Centennial Elementary School third grade teacher Cathleen Irons quizzes students using a Smart Board in class Tuesday, August 13, 2013. Photo by Mark Reis, The Gazette

MARK REIS