Google just announced in its Q4 2011 earnings live call that there are 250 million Android devices now activated, up 50 million from the last call. Better yet, Google also announced that there has been 11 billion downloads from the Android Market, rising 1 billion since December. Google also announced that there are 350 million active Gmail users.

Those are pretty solid numbers from Google. Make sure you listen to the rest of the call here.