Demographics
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1850 | 3,530 |
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| 1860 | 11,333 | 221.0% | |
| 1870 | 15,309 | 35.1% | |
| 1880 | 33,381 | 118.0% | |
| 1890 | 101,454 | 203.9% | |
| 1900 | 170,298 | 67.9% | |
| 1910 | 504,131 | 196.0% | |
| 1920 | 936,455 | 85.8% | |
| 1930 | 2,208,492 | 135.8% | |
| 1940 | 2,785,643 | 26.1% | |
| 1950 | 4,151,687 | 49.0% | |
| 1960 | 6,038,771 | 45.5% | |
| 1970 | 7,041,980 | 16.6% | |
| 1980 | 7,477,421 | 6.2% | |
| 1990 | 8,863,164 | 18.5% | |
| 2000 | 9,519,338 | 7.4% | |
| 2010 | 9,818,605 | 3.1% | |
| Est. 2012 | 9,962,789 | 1.5% | |
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As estimated by the Public Policy Institute of California in 2008, Los Angeles County is home to more than one third of the California's illegal aliens, and more than ten percent of the population are undocumented immigrants.
Read more about this topic: Los Angeles County Department Of Regional Planning