All 3 states and the FWS reports available.
The annual reports of all three of the recovery states have been released. There is a wealth of information in these reports about various packs.
The minimum estimate of wolves in the three states is 1645, a 9% increase over last year.
In Idaho there are 846 wolves, a 16% increase.
In Montana there are 497 wolves, an 18% increase.
In Wyoming there are 302 wolves, a 16% decrease.
You can view the reports here:
Rocky Mountain Wolf Recovery 2008 Interagency Annual Report