In a descriptive research, based on social deviance theories, the present study attempts to offer a sociological analysis of crime in Darehshahr prison, Iran, in 2009. Using data analysis method, the findings of the study demonstrate that the highest rate of crime is related to financial crimes, and the lowest rate to cultural and political crimes. Among the supposed hypotheses, only “the relation between age and kind of crime” and “the relation between age and cooperative crimes” were proved. Hence, crimes in Dareshahr are mostly violent, financial and juvenile, indicating the threat of organized and cooperative crimes among the youth.