From CDC: a violent death is defined as a death resulting from the intentional use of physical force or power, threatened or actual, against oneself, another person, or a group or community
I believe it does, yes. "All Causes". The problem with excluding it is there's not enough underlying data to get WISQARS to cough up a county-level breakdown. Explore it yourself by starting at https://wisqars.cdc.gov:8443/cdcMapFramework/