I am moving to Philly by the end of this month as visiting researcher at Upenn. I am bit concerned about the area before choosing a place to live as I might be living in a shady area that might not be safe, especially at night. Here are some options where I found some places.

1. 46th street Market El Line
2. Upper Darby
3. Bustleton
4. Grays Ferry
5. German Town (But I suppose this is quite far from the city centre.