The graph below depicts the violent crime rates per 1,000 population for each city and county in Idaho and Spokane, WA based on the Uniform Crime Reporting (UCR) Summary Reporting System per the FBI'sCrime in the United States report. Violent Crimes include homicide, rape, robbery and aggravated assault. The crimes depicted are based on the highest charge for each incident. Each law enforcement agency reports separately. County data does not include crimes in cities that have their own police department. Those police departments report their own crime data and are listed separately.
The differences between UCR Summary Reporting System data and National Incident Based Reporting System (NIBRS) data are explained here: SRS vs NIBRS
Source: FBI Crime in the United States - 2018 Updated 11/14/19