BTB - Not sure if this helps or if this is exactly what you are looking for. But it's a link to PGC that has some info on county's and deer densities. I don't know that I have seen anything that mentions WMU and DD. There are some graphs on page 12 and 13, see if this helps.

http://www.pgc.state.pa.us/pgc/lib/p.../21001-01z.pdf