Rancho Cucamonga, CA crime scores by ZIP code

4 ZIP codes in Rancho Cucamonga have a published score. The median is the 28.6th percentile; 91784 is highest at 34.05 and 91730 is lowest at 11.49. Higher percentile means more reported crime.

91784Below Average34.05 91737Below Average28.56 91701Low Crime15.14 91730Low Crime11.49

ZIP codes are assigned to the city or place holding most of their land area, per the US Census Bureau, so a ZIP that spans a boundary appears under one place only.