According to Multichannel News, BSG's season four premiere opened to strong Nielsen numbers, including ranking first among adults ages 25 to 54, which Multichannel claims is the SciFi Network's target audience. Other bits of interest:
Compare Friday night's 2.1 million viewers to the average 1.9 million viewers who tuned in for the second half of the third season, and it's pretty clear that BSG excitement is still alive and well -- even after a one year hiatus.
'Battlestar Galactica' Bow Boosts SciFi [Multichannel News]