Rancho Cucamonga — ZIP 91739

ZIP code 91739 in Rancho Cucamonga has a crime score of 50/100, which is roughly average for the region. Reported incidents per 1,000 residents track close to the Rancho Cucamonga city median. Both violent and property crime fall within the expected range for an urban ZIP code. Reviewing the Full Crime Report for 91739 and checking the local police department's crime mapping tool for current incident patterns before making decisions is recommended.