Unofficial figures from the state Election Board indicate about 50 percent of Oklahomans voted in the midterm election.
Board Secretary Paul Ziriax said Wednesday more than 1 million votes were cast, making for a 49.7 percent voter turnout.
He says turnout was better than average for a gubernatorial election but did not describe it as heavy.
He said of the past five gubernatorial elections, 2010 was "on par" with the last two times Oklahoma had an open seat for governor, in 1994 and 2002.
On Tuesday, voters elected Republican U.S. Rep. Mary Fallin, who made history by becoming the state's first female governor. Fallin defeated Democratic Lt. Gov. Jari Askins.
Copyright 2010 The Associated Press.