"I'm a lifelong Democrat and I think we need a Democrat to support us in Congress," she said.
At the state level, Republicans are expected to maintain or build upon their majorities in the House and Senate. The GOP currently enjoys a 32-16 advantage in the state Senate, and already has added two seats by virtue of Democrats failing to field candidates in two districts where Democratic incumbents are stepping down. Republicans also are competing for three open seats previously held by Democrats, while defending just two Republican-held open seats.
In the House, where Republicans enjoy a 67-31 advantage with three seats vacant, there are 34 seats up for grabs in Tuesday's election. Sixteen Republican incumbents are facing challenges, along with seven Democrats. Eleven seats are open.
Oklahoma Election Board Secretary Paul Ziriax said early turnout has been heavy statewide and said voter turnout was "on track" to be the largest since the 2008 presidential election, when about 67 percent of the state's 2.1 million registered voters went to the polls.
Oklahomans voted to abolish affirmative action programs in state government and eliminate the intangible property tax businesses pay for such things as patents, trademarks and brand names.
Jenifer Peacock, 34, a sales trainer from Moore, said she voted to abolish affirmative action programs in state government because she considers them outdated.
"It just got me thinking about how antiquated the laws are," she said.
Other state questions approved will limit property tax increases, change the governor's role in the parole process and restructure the Department of Human Services. Also on the ballot was a proposal to let the Oklahoma Water Resources Board issue bonds.
Sean Murphy can be reached at www.twitter.com/apseanmurphy