9. Nottingham
People per square mile: 10,964
Nottingham is a beautiful city, but as evidenced by its position on our list, there are a lot of people living here.

Jason Batterham/Shutterstock.com
People per square mile: 10,964
Nottingham is a beautiful city, but as evidenced by its position on our list, there are a lot of people living here.
Jason Batterham/Shutterstock.com