2010 CENSUS / Redistricting - Where district maps will change the most

Jim Sanders
The Sacramento Bee
March 26, 2011

Changes in California's population over the past decade will shift some legislative and congressional seats from Democratic-voting coastal areas -- such as San Francisco and Los Angeles -- to more conservative inland areas this year.

Newly released census figures pinpoint which political districts are likely to expand or contract in this year's once-a-decade redistricting process, which redraws boundary lines to equalize district populations. Incumbent politicians in districts whose populations are much larger or much smaller than the norm face the most uncertainty because their boundary lines are likely to change significantly.

Bottom line? A geographic region is likely to gain seats if its current political districts hold more than the statistical "ideal population." The reverse is true for regions with comparably smaller populations.

For the first time, a 14-member citizens commission created by passage of Proposition 11 in 2008 is responsible for drawing legislative, congressional and Board of Equalization districts. The Legislature did the job in years past.

Timeline

* Public input hearings: April and May

* Draft maps: Early June

* Final map approval: By Aug. 15
Caption: Nathaniel Levine / nlevine@sacbee.com U.S. CONGRESSIONAL DISTRICTS NEW IDEAL POPULATION: 702,905 (based on the 2010 census) Percentage above or below ideal population WELL ABOVE 10% or more 2% to 10% Close to ideal Within 2% WELL BELOW -2% to -5% -5% or more STATE ASSEMBLY DISTRICTS NEW IDEAL POPULATION: 465,674 LOCAL DISTRICTS District / Representative / Percent of ideal 65 / Paul Cook, R (HIGHEST) / +31.4% 15 / Joan Buchanan, D / +27.0% 4 / Vacant / +15.3% 10 / Alyson Huber, D / +9.2% 5 / Richard Pan, D / +7.0% 8 / Mariko Yamada, D / +1.5% 2 / Jim Nielsen, R / +0.8% 3 / Dan Logue, R / -1.4% 9 / Roger Dickinson, D / -8.8% 45 / Gil Cedillo, D (LOWEST) / -12.7% STATE SENATE DISTRICTS NEW IDEAL POPULATION: 931,349 LOCAL District / Representative / Percent of ideal 37 / Bill Emmerson, R (HIGHEST) / +30.5% 5 / Lois Wolk, D / +10.9% 1 / Ted Gaines, R / +7.7% 4 / Doug LaMalfa, R / +6.1% 6 / Darrell Steinberg, D / -1.8% 22 / Kevin de Leon, D (LOWEST) / -9.4% CONGRESS LOCAL DISTRICTS District / Representative / Percent of ideal 45 / Mary Bono Mack, R (HIGHEST) / +30.1% 3 / Dan Lungren, R / +11.4% 4 / Tom McClintock, R / +10.2% 10 / John Garamendi, D / +1.7% 2 / Wally Herger, R / +0.8% 1 / Mike Thompson, D / +0.2% 5 / Doris Matsui, D / -0.4% 31 / Xavier Becerra, D (LOWEST) / -13.0% View an interactive version of the congressional district map at www.sacbee.com/datacenter Sources: 2010 census, wedrawthelines.ca.gov