The Immigration History Research Center at the University of Minnesota is an excellent resource that should never be overlooked in your genealogy work. Their collections never cease to impress and amaze me! Not only for Minnesota and Minnesotans by any means. Check them out for sure.
Forming a family happens with some people later than with others. At the National Center for Family and Marriage Research at Bowling Green State University in Ohio, researchers say people with at least a bachelor’s degree were least likely to form a family before age 25, and those with a high school equivalency diploma were most likely. http://content.govdelivery.com/bulletins/gd/USHHS-2cbb54?reqfrom=share