There are now one million
That number has doubled in less than three months - in November, Blockchain had just 500,000 wallets. And it started 2013 with around 100,000 users (users can possess multiple wallets).
Bitcoin prices on the Mt. Gox exchange climbed back above $1,000 this weekend, as as online gaming company Zynga announced it had begun testing accepting payments in Bitcoin. As of this morning stand at $1,025.