A method for determining criminal propensities in a geographic location based on purchase card transaction data, the method comprising:
- utilizing purchase card transaction data associated with purchase card transactions conducted during a designated time period to determine a plurality of first normalized regional expenditure indices corresponding to a plurality of industry categories for a first geographic location;
- generating an algorithmic model based on correlations between each of the first normalized regional expenditure indices and a plurality of criminal offense types committed during the designated time period;
- and
- applying the algorithmic model to each of a plurality of second normalized regional expenditure indices corresponding to the plurality of industry categories associated with a second geographic location in order to determine a criminal propensity indicator in the second geographic location for each of the plurality of criminal offense types.