Los Angeles County (CA), New York County (NY) and Cook County (IL) topped the list of places where people older than 25 with graduate or professional degrees moved to between 2007 and 2011, according to the latest data from the U.S. Census Bureau’s County-to-County Migration Flows Tables. Middlesex County (MA) and Fairfax County (VA) also ranked among the top destinations for highly educated transplants. The Census report provides data on domestic migration at the county level, including data on income and educational attainment.

Of the 118 university-based startups launched in Illinois between 2006-13, about 73 percent remain in the state, according to the latest issue of the Illinois Innovation Index. The 2013 fourth quarter report of the Index focuses on the recent strides made by the state in building a stronger technology transfer pipeline. During the five-year period of 2008-12, Illinois universities received 47 percent more patents than they did during the 2003-07 period, almost triple the national growth rate.