That's according to security organization SafeWise,

1. Mahwah (Bergen)
2. Sparta (Sussex)
3. Warren (Somerset)
4. Washington (Morris)
5. Bernards (Somerset)
6. Dumont (Bergen)
7. Hopatcong (Sussex)
8. Bergenfield (Bergen)
9. Madison (Morris)
10. Plainsboro (Middlesex)
11. New Milford (Bergen)
12. Montgomery (Somerset)
13. Wyckoff (Bergen)
14. Monroe (Middlesex)
15. Ridgewood (Bergen)
16. Readington (Hunterdon)
17. Hopewell Township (Mercer)
18. Morris Township (Morris)
19. Hillsborough (Somerset)
20. Montville (Morris)
21. Randolph (Morris)
22. Raritan Township (Hunterdon)
23. Cliffside Park (Bergen)
24. Mount Olive (Morris)
25. Manchester (Ocean)
26. Fort Lee (Bergen)
27. Princeton (Mercer)
28. Marlboro (Monmouth)
29. East Windsor (Mercer)
30. Jefferson (Morris)
31. Palisades Park (Bergen)
32. Manalapan (Monmouth)
33. Scotch Plains (Union)
34. Cranford (Union)
35. Denville (Morris)
36. Westfield (Union)
37. Parsippany (Morris)
38. Barnegat (Ocean)
39. Pequannock (Morris)
40. Nutley (Essex)
41. South Brunswick (Middlesex)
42. Roxbury (Morris)
43. West Milford (Passaic)
44. Summit (Union)
45. Lakewood (Ocean)
46. Fair Lawn (Bergen)
47. Middletown (Monmouth)
48. Medford (Burlington)
49. Piscataway (Middlesex)
50. Hazlet (Monmouth)