Elections Code section 21431

Congressional District 31 consists of the following:
Partial Counties in Congressional District 31
LOS ANGELES
Whole Tracts in Los Angeles County
4002.07, 4002.08, 4003.04, 4004.02, 4004.03, 4006.02, 4006.03, 4006.05, 4008.01, 4010.01, 4010.02, 4011.01, 4011.02, 4012.01, 4012.02, 4012.03, 4013.03, 4013.04, 4013.11, 4013.12, 4015.00, 4016.02, 4024.03, 4024.04, 4024.05, 4025.03, 4025.04, 4028.03, 4028.04, 4029.02, 4029.03, 4029.04, 4030.00, 4033.17, 4033.18, 4034.01, 4034.02, 4034.03, 4034.04, 4034.07, 4034.08, 4034.09, 4035.00, 4036.01, 4037.02, 4037.03, 4037.21, 4037.22, 4038.01, 4038.02, 4039.01, 4039.02, 4040.00, 4041.00, 4042.01, 4042.03, 4043.01, 4043.02, 4044.01, 4044.02, 4045.01, 4045.03, 4045.04, 4046.00, 4053.01, 4053.02, 4054.00, 4055.00, 4056.00, 4057.01, 4057.02, 4058.00, 4059.00, 4060.00, 4061.01, 4061.03, 4062.01, 4063.00, 4064.13, 4065.00, 4066.01, 4066.02, 4067.01, 4067.02, 4068.01, 4071.01, 4071.02, 4072.01, 4072.02, 4073.01, 4073.02, 4074.00, 4075.01, 4075.02, 4076.01, 4077.02, 4078.01, 4079.01, 4079.02, 4080.03, 4080.04, 4080.05, 4080.06, 4081.34, 4081.35, 4081.36, 4089.00, 4300.03, 4300.04, 4300.05, 4301.01, 4301.02, 4302.00, 4303.01, 4303.02, 4309.01, 4309.02, 4310.02, 4310.03, 4310.04, 4311.00, 4312.00
Partial Tracts in Los Angeles County
4002.09--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 2007, 2010, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2026, 2027, 2033, 2034, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012
4004.04--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2017, 2018, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027, 2028, 2029, 2031, 2032, 2034, 2035, 2036, 2037, 2038, 2039, 2040, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013
4005.01--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036
4016.01--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, 2000, 2001, 2002, 2003, 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, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015
4025.01--the following census blocks:
1005, 1006, 1012, 1013, 1014, 1015, 1018, 1019, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
4028.01--the following census blocks:
1012, 1013, 1014, 1017, 1020, 1021, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019, 3020
4033.16--the following census blocks:
1014
4033.27--the following census blocks:
1007, 1008, 1079
4047.03--the following census blocks:
2009, 2011
4069.03--the following census blocks:
1000, 1001, 1002, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 4010, 4011, 4012, 4013, 4014, 4015, 5000, 5001, 5002, 5003, 5004, 5005, 5006, 6000, 6001, 6002, 6003, 6004, 6005, 6006, 6007, 6008
4070.01--the following census blocks:
1002, 1003, 1004, 1005, 2001, 2002, 2004, 2008, 2009, 2010, 2011, 2013, 2014, 2015, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009
4070.02--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 2022, 2024, 2025, 2026, 2027, 2028, 2029, 2030
4076.02--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 4000, 4002, 4003, 4004, 4005, 4006, 4007
4077.01--the following census blocks:
1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 3000, 3001, 3002, 3003, 3004, 3005
4078.02--the following census blocks:
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010
4081.33--the following census blocks:
1000, 1001, 1002, 1003, 2000, 2001, 3000, 3001, 3002
4081.37--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 3005, 3006, 3007
4081.41--the following census blocks:
1000, 2000, 3009, 3010, 3011, 3012
4088.00--the following census blocks:
2046, 2047, 2048, 2049, 2052, 2053, 2054, 2055, 2056, 2057, 2058, 2059, 2060, 2061, 2062, 2063, 2064, 2065, 2066, 2067, 2068, 2069, 2070, 2071, 3018
4090.00--the following census blocks:
1000, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019, 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, 4033, 4034, 4035, 4036, 4037, 4038, 4039, 4040, 4041, 4042, 4043, 4044, 4045, 4046
4313.00--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 2000, 2001, 2002, 2003, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 3000, 3001, 3002, 3003, 3004
4314.00--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 4010, 4011, 4012, 4013, 4014, 4015
SAN BERNARDINO
Whole Tracts in San Bernardino County
0002.03, 0002.05, 0002.07, 0002.08, 0003.04, 0003.05, 0003.06, 0003.07, 0003.08, 0004.03, 0004.04, 0005.01, 0005.03, 0006.03, 0006.04, 0006.05, 0006.06, 0019.01
Partial Tracts in San Bernardino County
0002.01--the following census blocks:
1000, 1001, 1002, 1003, 1005, 2020, 2024, 2028, 2029, 3000, 3001, 3002, 3003, 3004, 3006, 3007
0004.01--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, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3009, 3010, 3011, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4010, 4011, 4012, 4013, 4015, 4017, 4018, 4019
0005.04--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, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 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, 3032, 3033
0017.03--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1008, 1009, 2000, 2001, 2002, 2003, 2004, 2005, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 4000, 4001, 4002, 4003, 4004, 4005
0019.11--the following census blocks:
1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 2001, 2002, 2003, 2004, 2005, 2006, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017
0122.01--the following census blocks:
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, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027, 2028, 2029, 2030, 2031, 2032, 2033, 2034, 2035
0122.02--the following census blocks:
1006, 1007

Source: Section 21431, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=ELEC§ionNum=21431.­ (updated Aug. 21, 2025; accessed Sep. 15, 2025).

Green check means up to date. Up to date

Verified:
Sep. 15, 2025

§ 21431's source at ca​.gov