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Earlier editions: 2020-112018-11

DIVISION 21. STATE AND LOCAL REAPPORTIONMENT 21000-23004›CHAPTER 5. Congressional Districts 21400-21455

§ 21410

California Elections Code · 2026 edition · updated 2026-10-04 · California

Congressional District 10 consists of the following:

Partial Counties in Congressional District 10

ALAMEDA

Whole Tracts in Alameda County

4301.01, 4301.02, 4302.00, 4303.00, 4304.00, 4305.00, 4306.00, 4307.00, 4308.00, 4337.00, 4338.01, 4339.00, 4340.00

Partial Tracts in Alameda County

4309.00--the following census blocks:

1000, 1001, 1002, 1003, 1004, 1007, 1008, 2000, 2001, 2002, 2003, 2004, 2005, 3000, 3001, 3002

4310.00--the following census blocks:

1000, 1002, 1003, 1004, 2003, 2004, 2006, 2007, 2008, 2013, 2014, 2015, 2016, 2017, 2018, 2019

4328.00--the following census blocks:

1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011, 2013, 2014, 2015, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019, 3020, 3021, 3022, 3023, 3024

4331.02--the following census blocks:

1019

4332.00--the following census blocks:

3012, 3013, 3014, 3015

4338.02--the following census blocks:

1000, 1001, 1002, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024

4505.02--the following census blocks:

1008, 2009

CONTRA COSTA

Whole Tracts in Contra Costa County

3020.12, 3020.14, 3031.04, 3031.05, 3031.06, 3031.07, 3032.02, 3032.04, 3032.08, 3032.09, 3032.10, 3032.11, 3040.01, 3040.02, 3040.03, 3040.04, 3040.06, 3040.07, 3141.03, 3141.05, 3142.00, 3150.00, 3160.00, 3170.00, 3180.00, 3190.01, 3190.02, 3200.01, 3200.03, 3200.04, 3211.01, 3211.02, 3211.03, 3212.00, 3220.00, 3230.00, 3240.02, 3240.03, 3240.04, 3250.00, 3260.00, 3270.01, 3270.02, 3280.00, 3290.00, 3300.00, 3310.00, 3320.00, 3331.01, 3331.02, 3332.00, 3340.01, 3340.06, 3340.07, 3340.08, 3342.00, 3350.00, 3361.01, 3361.03, 3361.04, 3362.01, 3362.02, 3371.00, 3372.01, 3372.02, 3373.00, 3381.01, 3381.02, 3382.01, 3382.03, 3382.04, 3383.01, 3383.02, 3390.01, 3390.03, 3390.04, 3400.01, 3400.03, 3400.04, 3410.00, 3430.01, 3430.02, 3430.03, 3451.01, 3451.02, 3451.03, 3451.05, 3451.11, 3451.12, 3451.13, 3451.14, 3451.15, 3451.16, 3451.17, 3451.18, 3452.03, 3452.04, 3452.05, 3452.06, 3461.01, 3461.02, 3462.03, 3462.04, 3462.05, 3462.06, 3470.00, 3480.00, 3490.00, 3500.00, 3511.01, 3511.03, 3511.04, 3511.05, 3512.00, 3521.01, 3521.02, 3522.01, 3522.02, 3530.01, 3530.02, 3540.02, 3551.12, 3551.13, 3551.15, 3551.21, 3551.22, 3551.23, 3551.24, 3551.25, 3551.26, 3553.02, 3553.06, 3553.07, 3553.08, 3553.09, 3553.10

Partial Tracts in Contra Costa County

3020.05--the following census blocks:

3004, 3006, 3007, 3008, 3009, 3010, 3011

3020.07--the following census blocks:

1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 2030, 2034, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014

3020.11--the following census blocks:

1025, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024

3020.13--the following census blocks:

1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021

3032.06--the following census blocks:

1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 2000, 2001, 2002, 2003, 2004, 2005, 2009, 2010, 2011, 2012, 2013, 2014, 2015

3032.07--the following census blocks:

2000, 2001, 2002, 2010, 2018, 2019

3060.02--the following census blocks:

2039, 2040, 2042, 2045

3131.06--the following census blocks:

2013, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2028

3132.03--the following census blocks:

1006, 1007, 1010, 2011

3132.04--the following census blocks:

2001, 2006, 2009, 2011, 2012, 2013, 2014

3132.05--the following census blocks:

1001, 1002, 1003, 1004

3141.02--the following census blocks:

1017, 2005, 2006

3141.06--the following census blocks:

1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015

3540.01--the following census blocks:

1000, 1001, 1002, 1003, 1004, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032

3551.07--the following census blocks:

1008, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036, 1037, 1038, 1039, 1040, 3014, 3015, 3016, 3017, 3018, 3019, 3020, 3021, 3022, 3023, 3024, 3025, 3026, 3027, 3028, 3029, 3030, 3031

3551.19--the following census blocks:

1012, 1013, 1019, 1021, 1022, 1023

3552.01--the following census blocks:

1000, 1029, 3012, 3013

3552.02--the following census blocks:

1000, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 2020, 2021, 2023, 2024, 2025, 2026, 2027, 2028, 2029, 2030, 2031, 2032, 2033, 2034, 2035, 2036

3560.01--the following census blocks:

3000, 3001, 3020, 3021, 3022, 3023, 3024, 3025

3560.02--the following census blocks:

1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1017, 1026, 1029, 1030, 1031, 1032, 1033, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071, 1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079, 1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087, 1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097, 1102, 1103, 1104, 1105, 1121, 1122, 1124, 1125, 1126, 1127, 1128, 1129, 1130, 1131, 1132, 1133, 1139, 1140, 1141, 1164, 1165, 1166, 1167, 1168, 1170, 1171, 1172, 1173, 1174

3570.00--the following census blocks:

1027, 1030, 1031, 1032, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019, 3020, 3021

(Added by Stats. 2025, Ch. 96, Sec. 1. (AB 604) Effective August 21, 2025. Conditionally repealed pursuant to Section 21455.)

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