Map of Most Populous Cities in Los Angeles County. Los Angeles Almanac Map.
Also see:
-- Population of L.A. County Cities & Unincorporated Communities, 1990-Most Recent Census
-- Most Recent Estimated Populations for Los Angeles County Cities
-- Racial/Ethnic Composition of Los Angeles County Cities, 2010 Census
| City | 2020 Census | Change 2010 - 2020 | 2010 Census | Change 2000 - 2010 | 2000 Census | Change 1990 - 2000 | 1990 Census |
|---|---|---|---|---|---|---|---|
| Los Angeles | 3,898,747 | +2.8% | 3,792,621 | + 2.6% | 3,694,742 | + 6.0% | 3,485,398 |
| Long Beach | 466,742 | +1.0% | 462,257 | + 0.2% | 461,522 | + 7.5% | 429,433 |
| Santa Clarita | 228,673 | +29.7% | 176,320 | + 16.7% | 151,088 | + 36.6% | 110,642 |
| Glendale | 196,543 | +2.5% | 191,719 | - 1.7% | 194,973 | + 8.3% | 180,038 |
| Lancaster | 173,516 | +10.8% | 156,633 | + 31.9% | 118,718 | + 22.0% | 97,291 |
| City | 2020 Census | Change 2010 - 2020 | 2010 Census | Change 2000 - 2010 | 2000 Census | Change 1990 - 2000 | 1990 Census |
| Palmdale | 169,450 | +10.9% | 152,750 | + 30.9% | 116,670 | + 69.3% | 68,917 |
| Pomona | 151,713 | +1.8% | 149,058 | - 0.3% | 149,473 | + 13.5% | 131,723 |
| Torrance | 147,067 | +1.1% | 145,438 | + 5.4% | 137,946 | + 3.6% | 133,107 |
| Pasadena | 138,699 | +1.2% | 137,122 | + 2.4% | 133,936 | + 1.8% | 131,591 |
| Downey | 114,355 | +0.8% | 111,772 | + 4.1% | 107,323 | + 17.4% | 91,444 |
| City | 2020 Census | Change 2010 - 2020 | 2010 Census | Change 2000 - 2010 | 2000 Census | Change 1990 - 2000 | 1990 Census |
| West Covina | 109,501 | -2.0% | 106,098 | + 1.0% | 105,080 | + 9.4% | 96,086 |
| El Monte | 109,450 | -0.2% | 113,475 | - 2.1% | 115,965 | + 4.2% | 106,209 |
| Inglewood | 107,762 | +1.6% | 109,673 | - 2.6% | 112,580 | + 2.7% | 109,602 |
| Burbank | 107,337 | +1.7% | 103,340 | + 3.0% | 100,316 | + 7.1% | 93,643 |
| Norwalk | 102,773 | -0.5% | 105,549 | + 1.2% | 104,323 | + 10.7% | 94,279 |
* U.S. Census 5-year estimates are based on American Community Survey data collected over the preceeding five years. These estimates are issued annually between full Census counts conducted each decade.
Source: U.S. Census Bureau
If the unincorporated community of East Los Angeles were actually an incorporated city, with a 2020 population of 118,786, it would rank as Los Angeles County's tenth largest city.
