53-47 Brown (shows in pic
)
I would estimate it voted 51-48 or so for John Kerry over George Bush in 2004. Splitting Santa Ana in CA-47 could free up some Republican votes, or packing OC Hispanics in CA-47. CA-46 and CA-42 are both over 60% for Meg.
edit: Take into consideration Meg's under performance in the lower class Hispanic areas of Whittier and Norwalk- Brown actually gets higher percentages than Obama in some of these neighborhoods- I would attribute it to the illegal maid causing some damage to Meg's reputation among recent immigrants/their families that can vote. Who knows if these are the type of people that even vote on the down-ballot races like that. It's probably a D+2.5 or so district.
LA County portion is 58.5 Obama/41.5 McCain.
Orange County portion is 48.5 Obama/51.5 McCain (and 58.2 for Whitman).