Gross domestic product grew at a 2.9 percent annual rate after expanding 1.4 percent in the second quarter, the Commerce Department said on Friday in its first estimate.
That was the strongest growth since the third quarter of 2014.
Benchmark 10-year Treasury notes were down 4/32 in price to yield 1.861 percent, up from 1.843 percent late on Thursday.
US 30-year bonds were 11/32 down in price to yield 2.618 percent, up from Thursday's 2.602 percent.
US two-year note yields were at 0.888 percent, up from Thursday's 0.884 percent.
They hit a five-month high of 0.9 percent following the GDP data.