One of these months, Facebook’s growth in the US is going to slow down. June was not that month.

According to web metrics firm Compete, total uniques to Facebook’s main Facebook.com site were up 10.7% in June to 91.7 million US visitors. Traffic to Facebook Connect-enabled sites also increased 10.6% to 71.9 million uniques. Total uniques to all Facebook domains were up 8.5%