Elections Code section 21451

Congressional District 51 consists of the following:
Partial Counties in Congressional District 51
SAN DIEGO
Whole Tracts in San Diego County
0001.00, 0002.01, 0002.02, 0003.01, 0003.02, 0004.00, 0005.00, 0006.00, 0007.00, 0008.00, 0009.01, 0009.02, 0010.00, 0011.00, 0012.01, 0012.02, 0013.01, 0013.02, 0014.00, 0015.00, 0017.00, 0018.01, 0018.02, 0019.00, 0020.01, 0020.02, 0021.00, 0023.01, 0027.02, 0027.03, 0027.11, 0027.12, 0028.01, 0028.03, 0028.04, 0029.02, 0029.03, 0029.04, 0029.05, 0031.03, 0031.05, 0031.14, 0031.15, 0043.00, 0044.00, 0045.01, 0055.00, 0057.00, 0059.00, 0060.00, 0087.02, 0092.01, 0092.03, 0092.04, 0093.01, 0093.05, 0093.06, 0093.08, 0095.02, 0095.06, 0095.07, 0095.09, 0095.10, 0095.11, 0096.02, 0096.03, 0096.04, 0097.03, 0097.04, 0097.05, 0097.06, 0098.01, 0098.02, 0098.04, 0098.05, 0135.03, 0135.04, 0135.05, 0135.06, 0136.01, 0136.04, 0136.05, 0136.07, 0136.08, 0137.01, 0137.02, 0138.01, 0138.02, 0140.01, 0141.01, 0141.02, 0143.00, 0144.00, 0145.00, 0146.01, 0146.02, 0147.01, 0147.02, 0148.03, 0148.04, 0148.05, 0148.06, 0149.01, 0149.02, 0150.01, 0150.02, 0151.00, 0152.00, 0153.01, 0153.02, 0154.03, 0154.05, 0154.06, 0154.07, 0154.08, 0155.01, 0156.01, 0156.02, 0157.01, 0157.04, 0157.05, 0157.06, 0158.01, 0158.02, 0159.01, 0159.02, 0160.00, 0161.00, 0162.01, 0163.01, 0163.02, 0164.01, 0164.03, 0164.04, 0165.02, 0165.04, 0167.05, 0167.06, 0168.04, 0168.06, 0168.07, 0168.09, 0168.10, 0168.11, 0168.12, 0168.13, 0169.02, 0208.10, 0208.11, 0209.02, 0212.06
Partial Tracts in San Diego County
0016.00--the following census blocks:
4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 4010, 4011, 4012
0030.03--the following census blocks:
4000, 4003, 4004, 4010, 4011, 4012, 4013
0031.07--the following census blocks:
1001, 1002, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1023, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 3003, 3004
0032.08--the following census blocks:
1000, 2000, 2001, 2002, 2003, 3000, 3001, 3002, 3003, 4000, 4001, 4002, 4003, 4004, 5000, 5001, 5002, 5003, 5004, 5005
0032.09--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009, 3000, 3001, 3002, 3003, 3004
0032.13--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
0032.14--the following census blocks:
1001, 1005, 3000
0041.01--the following census blocks:
1000, 1001, 1002, 1003, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3023
0041.02--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012
0042.00--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1010, 1012, 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, 3022, 3023, 3024, 4000, 4001, 4002, 4003, 4004, 4005, 4006
0046.00--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, 2000, 2001, 2002, 2003, 2004, 2009
0052.01--the following census blocks:
1000, 1007, 1008, 1021
0056.01--the following census blocks:
1000, 1001, 1002, 1003, 1004
0056.02--the following census blocks:
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, 2025, 2026, 2027, 2028, 2029, 2030, 2031, 2039, 2040, 2041, 2042, 2043, 2044, 2045
0058.01--the following census blocks:
2000, 2002, 2007, 2013, 2014
0061.00--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2021, 2022, 2023, 2024, 2027
0065.00--the following census blocks:
2000, 2001, 2002, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2031, 2032, 2033, 3002, 3022, 3023, 3024, 3025, 3026, 3027, 3028, 3029
0089.02--the following census blocks:
1014, 1015, 1016, 1017
0093.07--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1006, 1007, 1008, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 4010, 4011, 4012, 4013, 4014, 4015
0095.05--the following census blocks:
1010, 1011, 1012, 1013, 1014, 1015, 1018, 2000, 2001, 2002, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 4000, 4001, 4002, 4003, 4004, 4005, 4006
0140.02--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1008, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2022
0142.00--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015, 3018, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008
0155.02--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1030, 1031, 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, 2025, 2026, 2027, 2028
0162.02--the following census blocks:
1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036, 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, 1074, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
0165.03--the following census blocks:
1000, 1001, 1002, 1003, 1005, 1006, 1007, 1008, 1009, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
0166.07--the following census blocks:
1000, 1001, 1007, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008
0166.08--the following census blocks:
1001, 1002, 1003, 1004
0166.16--the following census blocks:
2005, 2006, 2007, 2012, 2013, 2015, 2016, 2017, 2021
0166.19--the following census blocks:
2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
0167.03--the following census blocks:
2000, 2001
0167.04--the following census blocks:
1002, 1003, 1004, 1005, 1006, 1008, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 3000, 3001, 3004, 3005
0169.01--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 5000, 5001, 5002, 5003, 5004, 5005, 5006, 5007, 5008, 5009, 5010, 5011, 5012, 5013, 5014, 5015, 5016
0170.10--the following census blocks:
1008, 1009, 1011, 1012, 1013, 1014
0170.21--the following census blocks:
2004
0208.01--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1027, 1029, 1030, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3018, 3019, 3020, 3021, 3022, 3023, 3024, 3025, 3026
0208.07--the following census blocks:
1001, 1002, 1042, 1043, 2000, 2001, 2002, 2003, 2004, 2007, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2024
0209.03--the following census blocks:
2131, 2176
0209.04--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, 1031, 1032, 1033, 1034, 1035, 1036, 1037, 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, 2025, 2026, 2027, 2028, 2029, 2030, 2031, 2032, 2033, 2034, 2035, 2036, 2037, 2038, 2039, 2040, 2041, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019, 3020, 3021, 3022, 3023, 3024, 3025, 3026, 3027, 3028, 3029, 3030, 3031, 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, 4026, 4027, 4028, 4029, 4030, 4031, 4032, 4033, 4034, 4035, 4036, 4037, 4038, 4039, 4040, 4041, 4042, 4043, 4044, 4045, 4046, 4047, 4048, 4049, 4050, 4051, 4052, 4053, 4054, 4055, 4056, 4057
0212.02--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, 1031, 1032, 1033, 1034, 1035, 1036, 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, 2000, 2001
0212.04--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 2000, 2001, 2002, 2003, 2004, 2023, 2024, 2025, 2026
0212.05--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019
0213.05--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1015, 1016, 1018, 1019, 1029, 2012, 2013, 2014

Source: Section 21451, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=ELEC§ionNum=21451.­ (updated Aug. 21, 2025; accessed Sep. 15, 2025).

Green check means up to date. Up to date

Verified:
Sep. 15, 2025

§ 21451's source at ca​.gov