Namely, they point to a District 3 seat that had been held by Hispanics in recent decades. And despite a surge in Latinos countywide during the past 10 years, District 3 actually saw its percentage of Hispanics drop after redistricting.

Lawyers for Orange County say the new borders actually created two districts — 3 and 4 — where Hispanics now have a shot to win. The districts both now have more than 40 percent Hispanic populations, a number large enough in the past to elect two different Latinos to District 3, they say.