This data was taken from the folowing UPenn official sources:
http://cml.upenn.edu/nbase/ http://cml.upenn.edu/crimebase/

The neighborhoods defined by nBase: Roxborough, Manayunk and East Falls


The data taken from nBase and crimeBase:


I included Fairmount in the analysis, for reference. Crime in center city proper is MUCH higher than Fairmount. (this can be confirmed on UPenn nBase) As you can see, Rox/Man/EF is quite safe.