Rep. Ron Paul (R-Texas), who has staked his presidential campaign on winning delegates in caucus states, came in third with 4,619 votes, or 19 percent, while former Sen. Rick Santorum (R-Pa.) was in fourth place with 2,749 votes, or 11 percent.
Nevada will award its 28 delegates proportionally. Five other states will hold nominating contests this month.
Sen. Jeff Flake, R-Ariz., takes a selfie with his cut-out head during the Hoops for Youth 16th annual charity basketball game held at George Washington University's Smith Center, September 8, 2014. The members of Congress team beat the lobbyist team 46-40. Buy photo here.