Registration by Political Party, Updated 8/9/2024
| Major Districts | Status | Total Reg | DEM | REP | AI | GRN | LIB | PF | NPP | Misc | 
| County Of San Joaquin | Active | 376,181 | 160,230 | 111,171 | 16,318 | 1,388 | 4,131 | 2,836 | 75,741 | 4,366 | 
| Cancelled | 317,501 | 129,477 | 108,410 | 9,539 | 1,258 | 2,474 | 1,950 | 61,223 | 3,170 | |
| Inactive | 52,164 | 19,692 | 15,409 | 1,797 | 199 | 484 | 418 | 13,561 | 604 | |
| 9th Congressional District | Active | 355,038 | 151,057 | 105,748 | 15,444 | 1,330 | 3,934 | 2,680 | 70,739 | 4,106 | 
| 13th Congressional District | Active | 21,143 | 9,173 | 5,423 | 874 | 58 | 197 | 156 | 5,002 | 260 | 
| 5th Senatorial District | Active | 376,181 | 160,230 | 111,171 | 16,318 | 1,388 | 4,131 | 2,836 | 75,741 | 4,366 | 
| 9th Assembly District | Active | 156,762 | 54,240 | 60,803 | 7,380 | 516 | 1,960 | 937 | 29,335 | 1,591 | 
| 13th Assembly District | Active | 219,419 | 105,990 | 50,368 | 8,938 | 872 | 2,171 | 1,899 | 46,406 | 2,775 | 
| 1st Supervisorial Dist | Active | 58,555 | 31,007 | 10,363 | 2,412 | 258 | 536 | 748 | 12,460 | 771 | 
| 2nd Supervisorial Dist | Active | 72,223 | 34,503 | 17,791 | 2,992 | 276 | 774 | 621 | 14,349 | 917 | 
| 3rd Supervisorial Dist | Active | 84,972 | 36,012 | 24,712 | 3,805 | 287 | 910 | 541 | 17,707 | 998 | 
| 4th Supervisorial Dist | Active | 77,801 | 25,196 | 32,739 | 3,589 | 254 | 996 | 447 | 13,826 | 754 | 
| 5th Supervisorial Dist | Active | 82,630 | 33,512 | 25,566 | 3,520 | 313 | 915 | 479 | 17,399 | 926 | 
| City Of Stockton | Active | 138,692 | 69,080 | 30,498 | 5,613 | 554 | 1,304 | 1,346 | 28,521 | 1,776 | 
| City Of Stockton-1st Council District | Active | 30,135 | 13,946 | 7,840 | 1,203 | 99 | 301 | 199 | 6,172 | 375 | 
| City Of Stockton-2nd Council District | Active | 20,746 | 10,427 | 4,129 | 774 | 64 | 172 | 226 | 4,670 | 284 | 
| City Of Stockton-3rd Council District | Active | 25,914 | 12,161 | 6,861 | 1,114 | 103 | 283 | 199 | 4,897 | 296 | 
| City Of Stockton-4th Council District | Active | 25,392 | 11,953 | 6,383 | 1,109 | 128 | 295 | 225 | 4,959 | 340 | 
| City Of Stockton-5th Council District | Active | 16,044 | 8,762 | 2,429 | 655 | 77 | 125 | 248 | 3,513 | 235 | 
| City Of Stockton-6th Council District | Active | 20,461 | 11,831 | 2,856 | 758 | 83 | 128 | 249 | 4,310 | 246 | 
| City of Mountain House | Active | 10,289 | 4,898 | 1,837 | 314 | 38 | 89 | 53 | 2,944 | 116 | 
| City Of Tracy | Active | 48,766 | 22,725 | 11,732 | 2,031 | 205 | 509 | 333 | 10,617 | 614 | 
| City Of Lodi | Active | 34,997 | 11,397 | 14,306 | 1,713 | 120 | 539 | 198 | 6,389 | 335 | 
| City of Lodi-1st Council District | Active | 10,270 | 3,052 | 4,729 | 496 | 26 | 165 | 34 | 1,694 | 74 | 
| City of Lodi-2nd Council District | Active | 6,850 | 2,084 | 2,976 | 383 | 27 | 118 | 52 | 1,153 | 57 | 
| City of Lodi-3rd Council District | Active | 7,339 | 2,280 | 3,155 | 388 | 27 | 116 | 23 | 1,279 | 71 | 
| City of Lodi-4th Council District | Active | 3,643 | 1,586 | 786 | 125 | 16 | 46 | 41 | 989 | 54 | 
| City of Lodi-5th Council District | Active | 6,895 | 2,395 | 2,660 | 321 | 24 | 94 | 48 | 1,274 | 79 | 
| City Of Manteca | Active | 46,855 | 19,203 | 14,366 | 2,232 | 171 | 521 | 308 | 9,503 | 551 | 
| City of Manteca-1st Council District | Active | 12,185 | 5,116 | 3,502 | 564 | 53 | 131 | 79 | 2,588 | 152 | 
| City of Manteca-2nd Council District | Active | 12,703 | 5,268 | 3,780 | 532 | 41 | 115 | 77 | 2,754 | 136 | 
| City of Manteca-3rd Council District | Active | 9,587 | 3,820 | 2,882 | 518 | 45 | 137 | 91 | 1,965 | 129 | 
| City of Manteca-4th Council District | Active | 12,380 | 4,999 | 4,202 | 618 | 32 | 138 | 61 | 2,196 | 134 | 
| City Of Escalon | Active | 4,445 | 1,114 | 2,306 | 232 | 10 | 75 | 12 | 662 | 34 | 
| City Of Ripon | Active | 10,100 | 2,325 | 5,291 | 523 | 32 | 151 | 34 | 1,671 | 73 | 
| City Of Lathrop | Active | 16,529 | 7,738 | 3,573 | 635 | 43 | 155 | 125 | 4,038 | 222 |