Just to let you know that moving away from some horrible neighbors seemed like a drastic thing to do. We put up with some loud and obnoxious neighbors when we rented. Finally, we moved to another state and an entirely different kind of neighborhood. Interestingly the rent was the same but the neighbors were extremely nice. We went from tiptoeing around so the guy downstairs wouldn't stand outside and scream at us, nosy people and a continually squalling brat to the new place where people greeted us and brought us cookies and helped us unpack.
There really are places that have nice people. It takes a lot of time and possibly a major move, but we finally found happiness. Some neighborhoods just seem to attract loads of people with low standards. Unfortunately others have to live with trash like them.
Good luck to all of you!