| Zip Code | City | Population ↓ |
|---|---|---|
| 92336 | Fontana | 100,571 |
| 92335 | Fontana | 96,704 |
| 92345 | Hesperia | 87,476 |
| 92376 | Rialto | 85,727 |
| 91710 | Chino | 81,466 |
| 91709 | Chino Hills | 78,341 |
| 91730 | Rancho Cucamonga | 71,040 |
| 92407 | San Bernardino | 67,207 |
| 92404 | San Bernardino | 64,090 |
| 91762 | Ontario | 62,990 |
| 92392 | Victorville | 61,859 |
| 91761 | Ontario | 61,837 |
| 92346 | Highland | 60,025 |
| 92324 | Colton | 57,593 |
| 91786 | Upland | 56,025 |
| 91764 | Ontario | 55,311 |
| 92399 | Yucaipa | 55,236 |
| 92395 | Victorville | 48,479 |
| 92410 | San Bernardino | 48,398 |
| 92374 | Redlands | 44,976 |
| 92308 | Apple Valley | 43,191 |
| 91739 | Rancho Cucamonga | 41,319 |
| 92307 | Apple Valley | 40,534 |
| 92394 | Victorville | 39,939 |
| 91701 | Rancho Cucamonga | 39,323 |
| 92301 | Adelanto | 38,565 |
| 91763 | Montclair | 37,698 |
| 92337 | Fontana | 37,292 |
| 92311 | Barstow | 34,226 |
| 92373 | Redlands | 33,946 |
| 92405 | San Bernardino | 31,550 |
| 92316 | Bloomington | 30,656 |
| 92277 | Twentynine Palms | 27,370 |
| 92411 | San Bernardino | 26,915 |
| 91784 | Upland | 26,116 |
| 92284 | Yucca Valley | 25,741 |
| 91737 | Rancho Cucamonga | 23,108 |
| 92354 | Loma Linda | 23,054 |
| 92371 | Phelan | 21,265 |
| 92377 | Rialto | 20,935 |
| 92344 | Hesperia | 20,448 |
| 91708 | Chino | 15,908 |
| 92313 | Grand Terrace | 13,104 |
| 92408 | San Bernardino | 12,478 |
| 92314 | Big Bear City | 10,658 |
| 92359 | Mentone | 9,758 |
| 92310 | Fort Irwin | 8,967 |
| 92325 | Crestline | 8,449 |
| 92252 | Joshua Tree | 7,911 |
| 92356 | Lucerne Valley | 7,048 |
| 92342 | Helendale | 6,317 |
| 92352 | Lake Arrowhead | 6,147 |
| 92363 | Needles | 5,447 |
| 92315 | Big Bear Lake | 5,228 |
| 92372 | Pinon Hills | 5,208 |
| 92382 | Running Springs | 4,884 |
| 92369 | Patton | 3,999 |
| 92278 | Twentynine Palms | 3,574 |
| 92256 | Morongo Valley | 3,387 |
| 92285 | Landers | 2,726 |
| 92365 | Newberry Springs | 2,393 |
| 92391 | Twin Peaks | 2,177 |
| 92386 | Sugarloaf | 2,064 |
| 92401 | San Bernardino | 2,060 |
| 93562 | Trona | 1,867 |
| 92398 | Yermo | 1,394 |
| 92242 | Earp | 1,230 |
| 92339 | Forest Falls | 1,064 |
| 92368 | Oro Grande | 1,018 |
| 92321 | Cedar Glen | 784 |
| 92358 | Lytle Creek | 762 |
| 92322 | Cedarpines Park | 746 |
| 92327 | Daggett | 633 |
| 92347 | Hinkley | 601 |
| 92317 | Blue Jay | 567 |
| 92309 | Baker | 561 |
| 92305 | Angelus Oaks | 500 |
| 92350 | Loma Linda | 468 |
| 92378 | Rimforest | 437 |
| 92333 | Fawnskin | 429 |
| 92268 | Pioneertown | 405 |
| 92341 | Green Valley Lake | 331 |
| 92332 | Essex | 177 |
| 92385 | Skyforest | 167 |
| 93558 | Red Mountain | 17 |
| 92364 | Nipton | 12 |
| 92338 | Ludlow | 0 |
| 92267 | Parker Dam | 0 |
| 92415 | San Bernardino | 0 |
| 92280 | Vidal | 0 |
| 92304 | Amboy | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 91 ZCTAs in San Bernardino County, California (US Census).