Senate District 20
Map of Senate District 20 (PDF)
| Total Population | 935,935 | 100.00% |
| Hispanic | 640,254 | 68.41% |
| NH White | 147,352 | 15.74% |
| NH Black | 76,127 | 8.13% |
| NH American Indian and Alaska Native | 2,285 | 0.24% |
| NH Asian | 53,067 | 5.67% |
| NH Native Hawaiian and Other Pacific Islander | 2,218 | 0.24% |
| NH Some Other Race | 1,827 | 0.20% |
| NH 2+ Races | 12,805 | 1.37% |
| NH DOJ Black | 79,131 | 8.45% |
| NH DOJ American Indian and Alaska Native | 3,702 | 0.40% |
| NH DOJ Asian | 56,370 | 6.02% |
| NH DOJ Native Hawaiian and Other Pacific Islander | 2,641 | 0.28% |
| NH DOJ Some Other Race | 2,247 | 0.24% |
| NH DOJ Other Multiple-Race | 4,238 | 0.45% |
| Total Voting Age Population | 645,309 | 68.95% |
| Hispanic | 411,582 | 63.78% |
| NH White | 122,990 | 19.06% |
| NH Black | 56,163 | 8.70% |
| NH American Indian and Alaska Native | 1,810 | 0.28% |
| NH Asian | 42,455 | 6.58% |
| NH Native Hawaiian and Other Pacific Islander | 1,525 | 0.24% |
| NH Some Other Race | 1,218 | 0.19% |
| NH 2+ Races | 7,566 | 1.17% |
| NH DOJ Black | 57,472 | 8.91% |
| NH DOJ American Indian and Alaska Native | 2,966 | 0.46% |
| NH DOJ Asian | 44,353 | 6.87% |
| NH DOJ Native Hawaiian and Other Pacific Islander | 1,771 | 0.27% |
| NH DOJ Some Other Race | 1,479 | 0.23% |
| NH DOJ Other Multiple-Race | 2,696 | 0.42% |
| Los Angeles | 149,602 | 1.52% |
| San Bernardino | 786,333 | 38.64% |
| LOS ANGELES: Pomona(C) | 149,058 | 100.00% |
| LOS ANGELES: Remainder of Los Angeles(R) | 544 | 0.40% |
| SAN BERNARDINO: Bloomington(U) | 23,851 | 100.00% |
| SAN BERNARDINO: Chino(C) | 77,983 | 100.00% |
| SAN BERNARDINO: Colton(C) | 52,154 | 100.00% |
| SAN BERNARDINO: Fontana(C) | 196,069 | 100.00% |
| SAN BERNARDINO: Grand Terrace(C) | 12,040 | 100.00% |
| SAN BERNARDINO: Montclair(C) | 36,664 | 100.00% |
| SAN BERNARDINO: Muscoy(U) | 10,644 | 100.00% |
| SAN BERNARDINO: Ontario(C) | 163,924 | 100.00% |
| SAN BERNARDINO: Rialto(C) | 99,171 | 100.00% |
| SAN BERNARDINO: San Bernardino(C) | 67,189 | 32.01% |
| SAN BERNARDINO: Remainder of San Bernardino(R) | 46,644 | 40.43% |