2007 Crime Density Maps

Background Information

The maps below show concentrations of crimes within the City of Tucson, Arizona. Shaded grids are quarter sections, which are approximately one half mile on a side.

The crime counts represented on the maps cover the period January - December 2007. The maps do not include Pima County, South Tucson, University of Arizona, Pima Community College, Davis Monthan AFB or Tucson International Airport cases. The data points that were aggregated by grid were interpolated from Pima County street centerlines with a 30 foot offset and had an approximate 99.3% geocoding match rate.

Criminal incidents were screened according to definitions included in the Uniform Crime Reporting program of the U.S. Federal Bureau of Investigation. Crime counts are approximate and subject to change.

The total incidence of reported and discovered crime is based on factors that change over time; therefore interpretation of these graphs should be done with caution. Some factors affecting crime incidence are: