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.
Rep. Eric Swalwell, D-Calif., walks on Broadway after a Future Forum with young entrepreneurs in the Flatiron District of New York City, April 16, 2015. Reps. Steve Israel, D-N.Y., Seth Moulton, D-Mass., and Grace Meng, D-N.Y., also attended.