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Redistricting

The purpose of determining your current district, the pre-existing district boundaries for the State Assembly, State Senate and Congressional remain in effect until the term of office for legislative office holders expires at the beginning of the legislative session in January 2013. The new district lines will be used in 2012 for the purpose of determining the new district boundaries for voters voting in the 2012 primary and general elections. Individuals elected to these offices in November 2012 will represent the newly configured districts when they are sworn into office in January 2013.

Supervisorial Districts

1st Supervisorial District	Dublin, Livermore, Fremont (partial), Unincorporated areas including Sunol
2nd Supervisorial District	Hayward, Union City, Fremont (partial), Newark, Unincorporated areas including Sunol
3rd Supervisorial District	San Leandro, Oakland (partial), Alameda, Unincorporated areas including San Lorenzo
4th Supervisorial District	Pleasanton, Oakland (partial), Unincorporated areas including Castro Valley
5th Supervisorial District	Piedmont, Emeryville, Oakland (partial), Berkeley, Albany

U.S. Congressional Districts

U.S. Congressional District 13	Albany, Berkeley, Emeryville, Piedmont, Oakland, Alameda, San Leandro, Unincorporated areas
U.S. Congressional District 15	[shared with Contra Costa County] Hayward, Union City, Fremont (partial), Dublin, Pleasanton, Livermore, Unincorporated areas including Castro Valley, Sunol, and San Lorenzo
U.S. Congressional District 17	[shared with Santa Clara County] Newark, Fremont (partial), Unincorporated areas

• New Districts within County: Districts 15 & 17
• Districts no longer within County: Districts 9, 10, & 11

State Senatorial Districts

State Senatorial District 7	[shared with Contra Costa County] Dublin, Livermore, Pleasanton, Unincorporated areas including Sunol
State Senatorial District 9	[shared with Contra Costa County] Albany, Berkeley, Emeryville, Piedmont, Oakland, Alameda, San Leandro (partial), Unincorporated areas
State Senatorial District 10	[shared with Santa Clara County] Hayward, Union City, Fremont, Newark, Unincorporated areas including Castro Valley, San Lorenzo

• New District within County: District 7

State Assembly Districts

State Assembly District 15	[shared with Contra Costa County] Albany, Berkeley, Emeryville, Piedmont, Oakland (partial)
State Assembly District 16	[shared with Contra Costa County] Dublin, Pleasanton, Livermore, Unincorporated areas
State Assembly District 18	Alameda, Oakland (partial), San Leandro, Unincorporated areas
State Assembly District 20	Hayward, Union City, Fremont (partial) Unincorporated areas including Castro Valley, Sunol and San Lorenzo
State Assembly District 25	[shared with Santa Clara County] Newark, Fremont (partial)

• New District within County: District 25
• District no longer within County: District 14