Elections Code section 21412

Congressional District 12 consists of the following:
Partial Counties in Congressional District 12
ALAMEDA
Whole Tracts in Alameda County
4001.00, 4002.00, 4003.00, 4004.00, 4005.00, 4006.00, 4007.00, 4008.00, 4009.00, 4010.00, 4011.00, 4012.00, 4013.00, 4014.00, 4015.00, 4016.00, 4017.00, 4018.00, 4022.00, 4024.00, 4025.00, 4026.00, 4027.00, 4028.01, 4028.02, 4029.00, 4030.00, 4031.00, 4033.01, 4033.02, 4034.01, 4034.02, 4035.01, 4035.02, 4036.00, 4037.01, 4037.02, 4038.00, 4039.00, 4040.00, 4041.01, 4041.02, 4042.00, 4043.00, 4044.00, 4045.01, 4045.02, 4046.00, 4047.00, 4048.00, 4049.00, 4050.00, 4051.00, 4052.00, 4053.01, 4053.02, 4054.01, 4054.02, 4055.00, 4056.00, 4057.00, 4058.00, 4059.01, 4059.02, 4060.00, 4061.00, 4062.01, 4062.02, 4063.00, 4064.00, 4065.00, 4066.01, 4066.02, 4067.00, 4068.00, 4069.00, 4070.00, 4071.01, 4071.02, 4072.00, 4073.00, 4074.00, 4075.00, 4076.00, 4077.00, 4078.00, 4079.00, 4080.00, 4081.00, 4082.00, 4083.00, 4084.00, 4085.00, 4086.00, 4087.00, 4088.00, 4089.00, 4090.00, 4091.00, 4092.00, 4093.00, 4094.00, 4095.00, 4096.00, 4097.00, 4098.00, 4099.00, 4100.00, 4101.00, 4102.00, 4103.00, 4104.00, 4105.00, 4201.00, 4202.00, 4203.01, 4203.02, 4204.01, 4204.02, 4205.00, 4206.00, 4211.00, 4212.00, 4213.00, 4214.00, 4215.00, 4216.00, 4217.00, 4218.00, 4219.00, 4220.00, 4221.00, 4222.00, 4223.00, 4224.00, 4225.00, 4227.00, 4228.00, 4229.01, 4229.02, 4230.00, 4231.00, 4232.00, 4233.00, 4234.00, 4235.00, 4236.01, 4236.02, 4237.00, 4238.00, 4239.01, 4239.02, 4240.01, 4240.02, 4251.01, 4251.02, 4251.03, 4251.04, 4261.00, 4262.00, 4271.00, 4272.00, 4273.00, 4276.00, 4277.00, 4278.00, 4279.00, 4280.00, 4281.00, 4282.00, 4283.01, 4283.02, 4284.00, 4285.00, 4286.00, 4287.00, 4321.00, 4322.00, 4323.00, 4324.00, 4325.01, 4325.02, 4326.01, 4326.02, 4327.00, 4330.00, 4331.03, 4331.04, 9819.00, 9820.00, 9821.00, 9832.00
Partial Tracts in Alameda County
4328.00--the following census blocks:
1011, 2005, 2012, 3009
4331.02--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1020, 1021, 1026, 1027, 1028, 1029, 1030, 1032, 1033, 1034, 1035, 2000, 2001, 2003, 2015
4332.00--the following census blocks:
4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 4010, 4011, 4012, 4013, 4014, 4015, 4016, 4017, 4018, 4019, 4020, 4021, 4022, 4023, 4024, 4025, 4026, 4027, 4028, 4029, 4030, 4031, 4032
4333.00--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1010, 1011, 1012, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 4010, 4011, 4012, 4013, 4014, 4015, 4016, 4017, 4018, 4019, 4020, 4021, 5000, 5001, 5002, 5003, 5004, 5005, 5006, 5007, 5008, 5009, 5010, 5011, 5012, 5013, 5014
4334.00--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 4012, 5000, 5001, 5002, 5003, 5004, 5005, 5006, 5007, 5008, 6000, 6001, 6002, 6003, 6004, 6005, 6006, 6007, 6008, 6009, 6010, 6011, 6012, 6013, 6014, 6015, 6016, 6017, 6018, 6019, 6020
4335.00--the following census blocks:
1000, 1001, 1002, 1003, 1006, 2000, 2001, 2002, 2003, 2004, 2005
4336.00--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1007
4338.02--the following census blocks:
1003
9900.00--the following census blocks:
0001, 0002, 0003, 0004, 0005, 0006, 0009, 0010, 0011

Source: Section 21412, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=ELEC§ionNum=21412.­ (updated Aug. 21, 2025; accessed Sep. 15, 2025).

Green check means up to date. Up to date

Verified:
Sep. 15, 2025

§ 21412's source at ca​.gov