This focuses on violent crime and includes trends.
Source: US Department of Justice
https://www.ncjrs.gov/ovc_archives/ncvrw/2016/content/section-6/PDF/2016NCVRW_6_UrbanRural-508.pdf
Discussion
Old data but much more specific and less generalised. Cheers
Okay, here’s the latest report on the National Crime Victimization Survey. No easily digested graphs, but see especially table 8. Unfortunately there’s nothing about murder, since murder victims can’t respond to surveys.