Revenues were up 19% to $14.11 billion, also below most analyst forecasts.
Google shares tumbled 4.9% in after-hours trade on the news to $866.21, in a retreat from the Internet giant's record run toward the $1,000 level.
Chief executive Larry Page put a positive spin on the report.
"Google had a great quarter with over $14 billion in revenue -- up 19% year-on-year," said Page.
"The shift from one screen to multiple screens and mobility creates tremendous opportunity for Google. With more devices, more information, and more activity online than ever, the potential to improve people's lives even more is immense."