13. Bridgeport-Stamford-Norwalk, CT
Total number of illegal immigrants: 65,000
Percentage of total population comprising of illegal immigrants: 6.7%
Insider Monkey score: 12
Bridgeport has done a lot to ensure the safety of their undocumented residents, which includes not cooperating with federal agencies and providing cards to allow such residents to open a bank account and deal with the police without any trouble.