Coyle, 35, a criminal defense attorney, was battling history in a district that has been represented by Republicans since 1975. He also chose to run his first race in a national political environment that was toxic for Democrats.
Boren, the only Democrat in Congress from Oklahoma, spent more than $1.5 million trying to hang on to his seat in a district that, though overwhelmingly Democrat, voted overwhelmingly against Barack Obama in 2008.
He beat Republican Charles Thompson, of Hulbert.
Lucas beat Democrat Frankie Robbins, of Medford. Lucas will return to Washington in 2011 as chairman of the House Agriculture Committee if Republicans regain control of the House.
Sullivan beat independent Angelia O'Dell, of Tulsa.
Cole won a new term after his July 27 primary since he had no general election opposition.
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