A poll conducted for Rep. Jerry McNerney found the Democrat ahead of his Republican challenger, Ricky Gill, 49 percent to 33 percent.

McNerney led Gill by 24 points among “decline to state” voters, according to the polling memo from Lake Research Partners. The firm conducted the poll of 504 likely voters from July 8-11, and it had a 4.4-point margin of error. Its sample included 45 percent Democrats, 38 percent Republicans and 18 percent DTS or other voters.

This is one of a number of competitive races in California this cycle. Roll Call rates it as Leans Democratic.