The company says that revenue for the three months to 30 June was $9bn (£5.6bn), up from $6.82bn (£4.2bn) in the same period last year.
Revenue from the UK, which accounts for about 11% of its total, was $976m (£605m).
Larry Page, described the quarter, his first as CEO after taking over from Eric Schmidt in April, as “great”, adding that he was “super excited about the amazing response to Google+”.
Google launched +, which allows users to share content and videos, last month as it looks to take on Facebook.
Revenue from owned sites including Google.com and YouTube increased 39% to $6.23bn (£3.9bn), while income from partner sites such as AdSense totalled $2.5bn (£1.5bn), up 20% on the $2.06bn (£1.3bn) registered a year earlier.
The number of paid clicks increased 18% year on year, while average cost-per-click was up 12% on the same period last year.