When the Congressional map was redrawn, heavily black districts were created in all these states.
They say the current Congressional map is just an old Democratic gerrymander.
The 2000 round of redistricting, however, significantly altered Iowa's congressional map.
Hispanic groups threatened today to continue to challenge the new Congressional map in the Federal courts.
After the 1980 census, California's congressional map was redrawn.
After the 2000 census, Minnesota's congressional map was radically altered, even though the state didn't gain or lose any districts.
They point to changes in Congressional maps that have made districts much less competitive in the intervening 10 years.
The current Congressional map was drawn about two years ago by a judge when legislators disagreed on how to redraw the districts.
But the judges pledged to make as few changes as possible in redrawing the state's Congressional map.
Because of shifts in the country's population, New York's plan must reduce the state's Congressional map to 31 districts from 34.