4. Madison, Wis.

Increase In Labor Pool, 2011-2016: 51.2 percent

Tech Jobs, 2016: 23,350

The average annual salary for technology occupations in Madison last year was $77,773. Meanwhile, non-technology jobs rose less than 16 percent and posted an average annual salary of $54,052. Having a skilled talent pool helps; 55 percent of area residents hold bachelor's degrees or higher, and the number of technology degrees grew nearly 32 percent from 2011 to 2015, according to data CBRE cited from the National Center for Education Statistics. And the millennial population grew 7.3 percent in the Badger State capital from 2011 to 2016.