15. Colorado
Illegal immigrants per 10,000 people: 324.1
Mexicans make up nearly three-fourths of the illegal immigrants population though most of them have resided in the state for several years.

photo.ua/Shutterstock.com
Illegal immigrants per 10,000 people: 324.1
Mexicans make up nearly three-fourths of the illegal immigrants population though most of them have resided in the state for several years.
photo.ua/Shutterstock.com