Another aspect to gun violence and crime is population density (and stress).

This is a 2010 accounting of the current population of the USA by State.

U.S. Homeless Population Grows in Most States  (click title to entry - thank you)

Sunday, January 16, 2011 :

By Melvin Felix - The number of homeless people and homeless families grew in most states in 2009, a new report found, but some states had fewer homeless people even if the local economy was in trouble....