City | 2024 Population |
|---|---|
| Acalanes Ridge | 1,047 |
| Acampo | 249 |
| Acton | 7,518 |
| Adelanto | 38,209 |
| Agoura Hills | 19,222 |
| Agua Dulce | 2,828 |
| Aguanga | 510 |
| Ahwahnee | 1,522 |
| Airport | 1,498 |
| Alameda | 74,434 |
| Alamo | 14,846 |
| Albany | 18,721 |
| Albion | 155 |
| Alderpoint | 93 |
| Alhambra | 78,817 |
| Alhambra Valley | 787 |
| Aliso Viejo | 49,659 |
| Alleghany | 27 |
| Allendale | 1,736 |
| Allensworth | 322 |
| Alondra Park | 8,628 |
| Alpaugh | 891 |
| Alpine | 16,437 |
| Alpine Village | 298 |
| Alta | 666 |
| Alta Sierra | 26 |
| Altadena | 42,401 |
| Alto | 500 |
| Alturas | 2,639 |
| Alum Rock | 11,864 |
| Amador City | 205 |
| Amador Pines | 1,078 |
| American Canyon | 21,196 |
| Amesti | 2,856 |
| Anaheim | 338,463 |
| Anchor Bay | 412 |
| Anderson | 11,170 |
| Angels | 3,780 |
| Angwin | 2,047 |
| Antelope | 46,790 |
| Antioch | 117,668 |
| Anza | 1,817 |
| Apple Valley | 74,762 |
| Aptos | 6,983 |
| Aptos Hills-Larkin Valley | 1,940 |
| Arbuckle | 2,776 |
| Arcadia | 53,375 |
| Arcata | 19,086 |
| Arden-Arcade | 96,410 |
| Armona | 4,297 |
| Arnold | 1,633 |
| Aromas | 2,879 |
| Arroyo Grande | 18,178 |
| Artesia | 15,350 |
| Artois | 260 |
| Arvin | 19,319 |
| Ashland | 22,762 |
| Aspen Springs | 294 |
| Atascadero | 29,685 |
| Atherton | 6,707 |
| Atwater | 32,092 |
| Auberry | 2,912 |
| Auburn | 13,617 |
| Auburn Lake Trails | 4,197 |
| August | 10,132 |
| Avalon | 3,201 |
| Avenal | 14,281 |
| Avery | 400 |
| Avila Beach | 1,571 |
| Avocado Heights | 13,766 |
| Azusa | 47,629 |