Google's Android has surged past Blackberry maker Research in Motion to become the leading smartphone platform in the United States, market tracking firm comScore said Monday. comScore released data from the comScore MobiLens service, reporting key trends in the U.S. mobile phone industry during the three month average period ending January 2011.

According to comScore, Google Android captured the #1 ranking among smartphone platforms for the first time in January with 31.2 percent market share. RIM ranked second with 30.4 percent market share, followed by Apple with 24.7 percent. Microsoft (8.0 percent) and Palm (3.2 percent) rounded out the top five.

The study surveyed more than 30,000 U.S. mobile subscribers and found Samsung to be the top handset manufacturer overall with 24.9 percent market share. Google Android took the lead among smartphone platforms with 31.2 percent market share, after two short months in second place.

For the three month average period ending in January, 234 million Americans ages 13 and older used mobile devices. Device manufacturer Samsung ranked as the top OEM with 24.9 percent of U.S. mobile subscribers, up 0.7 percentage points from the three month period ending in October. LG ranked second with 20.8 percent share, followed by Motorola (16.5 percent), RIM (8.6 percent) and Apple (7.0 percent), comScore's study found.