91 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 92336 | Fontana | 103,393 |
| 92335 | Fontana | 95,295 |
| 92345 | Hesperia | 87,906 |
| 92376 | Rialto | 84,161 |
| 91710 | Chino | 80,186 |
| 91709 | Chino Hills | 78,200 |
| 91730 | Rancho Cucamonga | 71,692 |
| 92407 | San Bernardino | 69,191 |
| 92392 | Victorville | 64,352 |
| 91762 | Ontario | 63,656 |
| 92404 | San Bernardino | 63,067 |
| 91761 | Ontario | 62,506 |
| 92324 | Colton | 57,049 |
| 92346 | Highland | 56,956 |
| 91786 | Upland | 55,519 |
| 91764 | Ontario | 55,412 |
| 92399 | Yucaipa | 55,029 |
| 92395 | Victorville | 49,323 |
| 92410 | San Bernardino | 48,286 |
| 92374 | Redlands | 44,287 |
| 92308 | Apple Valley | 42,402 |
| 91739 | Rancho Cucamonga | 41,722 |
| 92307 | Apple Valley | 40,666 |
| 92394 | Victorville | 39,230 |
| 92301 | Adelanto | 38,651 |
| 91701 | Rancho Cucamonga | 38,597 |
| 91763 | Montclair | 37,515 |
| 92337 | Fontana | 36,944 |
| 92373 | Redlands | 34,816 |
| 92311 | Barstow | 33,982 |
| 92316 | Bloomington | 31,909 |
| 92405 | San Bernardino | 31,207 |
| 92277 | Twentynine Palms | 27,742 |
| 92411 | San Bernardino | 27,157 |
| 91784 | Upland | 26,900 |
| 92284 | Yucca Valley | 25,782 |
| 92354 | Loma Linda | 23,076 |
| 91737 | Rancho Cucamonga | 22,797 |
| 92377 | Rialto | 21,685 |
| 92371 | Phelan | 21,678 |
| 92344 | Hesperia | 20,671 |
| 91708 | Chino | 17,308 |
| 92408 | San Bernardino | 13,880 |
| 92313 | Grand Terrace | 13,069 |
| 92314 | Big Bear City | 10,410 |
| 92325 | Crestline | 9,689 |
| 92359 | Mentone | 9,394 |
| 92310 | Fort Irwin | 8,791 |
| 92252 | Joshua Tree | 7,916 |
| 92342 | Helendale | 6,677 |
| 92356 | Lucerne Valley | 6,665 |
| 92352 | Lake Arrowhead | 6,496 |
| 92363 | Needles | 5,392 |
| 92382 | Running Springs | 5,301 |
| 92315 | Big Bear Lake | 5,215 |
| 92372 | Pinon Hills | 4,854 |
| 92256 | Morongo Valley | 3,907 |
| 92278 | Twentynine Palms | 3,839 |
| 92369 | Patton | 3,305 |
| 92285 | Landers | 2,914 |
| 92365 | Newberry Springs | 2,514 |
| 92401 | San Bernardino | 2,283 |
| 92391 | Twin Peaks | 2,192 |
| 92386 | Sugarloaf | 2,037 |
| 93562 | Trona | 1,822 |
| 92398 | Yermo | 1,657 |
| 92339 | Forest Falls | 1,277 |
| 92242 | Earp | 1,203 |
| 92368 | Oro Grande | 925 |
| 92321 | Cedar Glen | 828 |
| 92358 | Lytle Creek | 712 |
| 92317 | Blue Jay | 708 |
| 92327 | Daggett | 706 |
| 92347 | Hinkley | 630 |
| 92322 | Cedarpines Park | 605 |
| 92309 | Baker | 490 |
| 92378 | Rimforest | 445 |
| 92333 | Fawnskin | 403 |
| 92350 | Loma Linda | 394 |
| 92305 | Angelus Oaks | 371 |
| 92268 | Pioneertown | 315 |
| 92341 | Green Valley Lake | 299 |
| 92385 | Skyforest | 186 |
| 92332 | Essex | 106 |
| 92364 | Nipton | 15 |
| 92338 | Ludlow | 0 |
| 92267 | Parker Dam | 0 |
| 92280 | Vidal | 0 |
| 92415 | San Bernardino | 0 |
| 93558 | Red Mountain | 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).