71 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 92503 | Riverside | 88,617 |
| 92592 | Temecula | 81,636 |
| 92509 | Jurupa Valley | 80,325 |
| 92563 | Murrieta | 78,139 |
| 92880 | Eastvale | 74,645 |
| 92553 | Moreno Valley | 73,945 |
| 92882 | Corona | 69,472 |
| 92201 | Indio | 64,325 |
| 92562 | Murrieta | 64,155 |
| 92223 | Beaumont | 61,686 |
| 92507 | Riverside | 60,949 |
| 92571 | Perris | 59,896 |
| 92570 | Perris | 58,275 |
| 92530 | Lake Elsinore | 58,249 |
| 92504 | Riverside | 57,636 |
| 92557 | Moreno Valley | 54,936 |
| 92584 | Menifee | 54,663 |
| 92505 | Riverside | 52,696 |
| 92234 | Cathedral City | 51,964 |
| 92544 | Hemet | 51,567 |
| 92879 | Corona | 49,111 |
| 92545 | Hemet | 45,219 |
| 92555 | Moreno Valley | 44,923 |
| 92506 | Riverside | 44,344 |
| 92236 | Coachella | 42,506 |
| 92591 | Temecula | 41,047 |
| 92240 | Desert Hot Springs | 40,755 |
| 92543 | Hemet | 38,403 |
| 92253 | La Quinta | 37,898 |
| 92883 | Corona | 37,211 |
| 91752 | Mira Loma | 37,173 |
| 92508 | Riverside | 36,500 |
| 92551 | Moreno Valley | 36,326 |
| 92596 | Winchester | 35,726 |
| 92595 | Wildomar | 34,698 |
| 92583 | San Jacinto | 33,781 |
| 92203 | Indio | 33,558 |
| 92220 | Banning | 32,797 |
| 92881 | Corona | 31,401 |
| 92260 | Palm Desert | 31,039 |
| 92532 | Lake Elsinore | 27,454 |
| 92585 | Menifee | 27,083 |
| 92211 | Palm Desert | 26,741 |
| 92262 | Palm Springs | 25,856 |
| 92860 | Norco | 25,367 |
| 92501 | Riverside | 22,136 |
| 92582 | San Jacinto | 21,961 |
| 92225 | Blythe | 21,189 |
| 92264 | Palm Springs | 20,229 |
| 92586 | Menifee | 20,152 |
| 92587 | Menifee | 18,926 |
| 92270 | Rancho Mirage | 17,257 |
| 92274 | Thermal | 15,917 |
| 92567 | Nuevo | 10,721 |
| 92320 | Calimesa | 10,366 |
| 92254 | Mecca | 9,362 |
| 92276 | Thousand Palms | 8,242 |
| 92241 | Desert Hot Springs | 8,232 |
| 92548 | Homeland | 7,110 |
| 92590 | Temecula | 5,212 |
| 92210 | Indian Wells | 4,832 |
| 92539 | Anza | 3,760 |
| 92549 | Idyllwild | 3,535 |
| 92536 | Aguanga | 2,569 |
| 92230 | Cabazon | 2,039 |
| 92561 | Mountain Center | 1,622 |
| 92282 | Whitewater | 1,361 |
| 92518 | March Air Reserve Base | 1,132 |
| 92258 | North Palm Springs | 547 |
| 92239 | Desert Center | 296 |
| 92521 | Riverside | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 71 ZCTAs in Riverside County, California (US Census).