Wolfram Data Repository
Immediate Computable Access to Curated Contributed Data
Number of suicide deaths and rates of suicide by U.S. county per year from 1999 to 2013
Originator: Centers for Disease Control and Prevention
The Underlying Cause of Death data available on the CDC's WONDER database are county-level national mortality and population data spanning the years 1999-2014. Data are based on death certificates for U.S. residents.
Wolfram Research, "U.S. Suicide Rates by County" from the Wolfram Data Repository (2016) https://doi.org/10.24097/wolfram.92786.data