District Population
The Central District of California includes the seven counties of Los Angeles, Orange, Riverside, San Bernardino, San Luis Obispo, Santa Barbara, and Ventura. With more than 18 million residents, it is by far the most populous federal judicial district. The district’s population has grown significantly over the last 5-7 years, with particularly high growth rates in Riverside and San Bernardino counties. The population is primarily centered in the district’s 35 major metropolitan areas with populations over 100,000.
a. Population by County.
| County | 2000 Census | 2006 Estimate | Percent Change |
| Los Angeles | 9,519,338 | 9,935,475 | 4.40% |
| Orange | 2,846,289 | 2,988,072 | 5.00% |
| Riverside | 1,545,387 | 1,946,419 | 26.00% |
| San Bernardino | 1,709,434 | 1,963,535 | 14.90% |
| San Luis Obispo | 246,681 | 255,478 | 3.60% |
| Santa Barbara | 399,347 | 400,762 | 0.40% |
| Ventura | 753,197 | 796,106 | 5.70% |
| Total (7 counties) | 17,021,673 | 18,287,852 | 7.44% |
b. Major Metropolitan Areas (with populations >100,000 or county seat).
| Los Angeles County (16) | 2000 | 2006 |
| City of Burbank: | 100,316 | 106,879 |
| City of Downey: | 107,323 | 113,063 |
| City of El Monte: | 115,965 | 125,352 |
| City of Glendale: | 194,973 | 206,308 |
| City of Inglewood: | 112,580 | 118,112 |
| City of Lancaster: | 118,718 | 138,392 |
| City of Long Beach: | 461,522 | 490,166 |
| City of Los Angeles (county seat): | 3,694,820 | 3,976,071 |
| City of Norwalk: | 103,298 | 109,681 |
| City of Palmdale: | 116,670 | 141,012 |
| City of Pasadena: | 133,936 | 146,138 |
| City of Pomona: | 149,473 | 161,850 |
| City of Santa Clarita: | 151,088 | 167,412 |
| City of South Gate: | 96,375 | 101,647 |
| City of Torrance: | 137,946 | 147,108 |
| City of West Covina: | 105,080 | 112,459 |
| Orange County (8) | ||
| City of West Covina: | 105,080 | 112,459 |
| City of Anaheim: | 328,014 | 342,410 |
| City of Costa Mesa: | 108,724 | 113,134 |
| City of Fullerton: | 126,003 | 136,428 |
| City of Garden Grove: | 165,196 | 171,765 |
| City of Huntington Beach: | 189,594 | 201,000 |
| City of Irvine: | 143,072 | 193,785 |
| City of Orange: | 128,821 | 137,801 |
| City of Santa Ana (county seat): | 337,977 | 351,322 |
| Riverside County (3) | ||
| City of Corona: | 124,966 | 144,661 |
| City of Moreno Valley: | 142,381 | 174,565 |
| City of Riverside (county seat): | 255,166 | 287,820 |
| San Bernardino County (4) | ||
| City of Fontana: | 128,929 | 165,462 |
| City of Ontario: | 158,007 | 171,113 |
| City of Rancho Cucamonga: | 127,743 | 170,479 |
| City of San Bernardino (county seat): | 185,401 | 201,823 |
| San Luis Obispo County (1) | ||
| City of San Luis Obispo (county seat): | 44,174 | 44,439 |
| Santa Barbara County (1) | ||
| City of Santa Barbara (county seat): | 92,325 | 89,948 |
| Ventura County (4) | ||
| City of Oxnard: | 170,358 | 189,990 |
| City of Simi Valley: | 111,351 | 122,708 |
| City of Thousand Oaks: | 117,005 | 127,644 |
| City of Ventura (county seat): | 100,916 | 106,710 |
| TOTAL : (37 major metropolitan areas) (Populations shown are 2000 census figures and 2006 estimates.) |