Boulder leads the 2016 Bloomberg Brain Concentration Index.
The Brain Concentration Index measures per-capita concentration of residents working in engineering, science and technology occupations or who have science and engineering college degrees or post-graduate degrees.
Key industries in the metro area include aerospace, information technology, software, bio-science and renewable energy.
Boulder also is home to federal laboratories such as the National Institute of Standards and Technology.
“The public-sector presence contributed to the brains,” said Clif Harald, executive director of the Boulder Economic Council.
Boulder’s population rose 10.1 percent from April 1, 2010 to July 1, 2015, with surrounding Boulder County experiencing an 8.4 percent increase.
Compared to the national rate last year, the metro area’s labor-participation rate was higher at 68.8 percent.
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