| ZIP Codes: | 116 ZIP Codes (76 Standard, 36 PO Box, 4 Unique) [See All] |
| Area Codes: | 442 / 661 / 760 / 840 / 909 / 951 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:11:30 PM |
| Population: | 2,195,107 [See All] |
| FIPS: | 06071 |
| CBSA: | Riverside-San Bernardino-Ontario, CA |
| Land Area: | 13,731 sq mi |
| Water Area: | 35 sq mi |
| Coordinates: | 34.3340, -117.0518 |
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2,195,107 residents live across 116 ZIPs covering 13,731 sq mi, served by 72 distinct USPS-recognized cities.
Population moved from 2,074,158 to 2,191,272 from 2014 to 2024 — a +5.6% change. 53 ZIPs gained residents, 33 lost (and 2 held flat).
The county's wealthiest ZIP 91784 (Upland, $154,349 median) and poorest ZIP 92401 (San Bernardino, $26,596) are 21.2 miles apart — a 5.8× income gap across local geography.
Median home values vary 13.5× across this county — from $66,100 in 93562 (Trona) to $895,000 in 91739 (Rancho Cucamonga).
Density varies 3001× across the county — from 2 people/sq mi in 92365 (Newberry Springs) to 7,134 in 91764 (Ontario).
Educational attainment ranges from 6.1% bachelor's+ in 92410 (San Bernardino) to 50.8% in 92373 (Redlands) — the breadth of educational profiles across the area.
Within California, this is the #5 most populous of 58 counties and ranks #32 for median household income with the #20 fastest decade growth .
On the national stage, San Bernardino County is the #14 most populous US county .
Hosts 4 single-entity Unique ZIPs: 92350Loma Linda University ; 92415S B County Offices ; 92357Veterans Hospital ; and 92418San Bernardino .
Weighted by population, the typical household earns about $88,176 across the county — reflecting what a typical resident sees, not a simple ZIP average.
23.3% of adults age 25+ hold a bachelor's degree or higher (331,349 of 1,420,275 reporting).
76 Standard delivery, 36 PO Box only, 4 single-entity Unique ZIPs serve this county.
4 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 5.8× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 92336 | Fontana | Standard | 105,517 | $123,363 | 21.1 | 15.3% |
| 92335 | Fontana | Standard | 97,511 | $77,949 | 17.6 | -2.1% |
| 92345 | Hesperia | Standard | 88,706 | $69,485 | 119.2 | 9.4% |
| 92376 | Rialto | Standard | 84,394 | $79,675 | 13.3 | -1.5% |
| 91710 | Chino | Standard | 78,754 | $103,085 | 21.0 | -5.2% |
| 91709 | Chino Hills | Standard | 78,006 | $126,350 | 42.9 | 2.4% |
| 92407 | San Bernardino | Standard | 71,711 | $94,032 | 74.4 | 19.3% |
| 91730 | Rancho Cucamonga | Standard | 71,613 | $92,237 | 14.5 | 6.9% |
| 92392 | Victorville | Standard | 65,429 | $87,681 | 37.2 | 15.9% |
| 91762 | Ontario | Standard | 64,235 | $83,850 | 13.7 | 14.4% |
| 92404 | San Bernardino | Standard | 63,243 | $66,701 | 20.1 | 4.5% |
| 91761 | Ontario | Standard | 62,935 | $100,578 | 29.1 | 5.1% |
| 92324 | Colton | Standard | 57,365 | $71,078 | 29.5 | -1.1% |
| 91764 | Ontario | Standard | 56,270 | $81,762 | 7.9 | 4.1% |
| 92346 | Highland | Standard | 56,179 | $85,163 | 35.8 | -4.5% |
| 91786 | Upland | Standard | 55,829 | $92,458 | 8.9 | 7.1% |
| 92399 | Yucaipa | Standard | 55,366 | $92,440 | 60.0 | 2.4% |
| 92410 | San Bernardino | Standard | 47,869 | $54,181 | 8.5 | 0.8% |
| 92395 | Victorville | Standard | 47,375 | $62,102 | 17.7 | 11.5% |
| 92374 | Redlands | Standard | 45,262 | $102,813 | 20.8 | 10.6% |
| 92308 | Apple Valley | Standard | 42,709 | $66,568 | 130.3 | 6.9% |
| 91739 | Rancho Cucamonga | Standard | 41,673 | $143,265 | 23.0 | 9.6% |
| 92394 | Victorville | Standard | 41,614 | $78,466 | 33.8 | 20.7% |
| 92307 | Apple Valley | Standard | 41,180 | $77,106 | 210.0 | 7.8% |
| 91701 | Rancho Cucamonga | Standard | 39,287 | $114,244 | 13.6 | -3.8% |
| 92301 | Adelanto | Standard | 38,577 | $68,676 | 286.5 | 18.1% |
| 91763 | Montclair | Standard | 37,700 | $78,770 | 5.4 | 0.7% |
| 92337 | Fontana | Standard | 36,026 | $107,678 | 13.6 | -4.8% |
| 92373 | Redlands | Standard | 35,257 | $101,271 | 41.3 | 3.6% |
| 92311 | Barstow | Standard | 33,954 | $61,862 | 676.2 | 3.4% |
| 92316 | Bloomington | Standard | 32,765 | $83,587 | 10.2 | 3.3% |
| 92405 | San Bernardino | Standard | 31,217 | $66,964 | 5.0 | 5.7% |
| 92411 | San Bernardino | Standard | 27,249 | $54,324 | 4.5 | 3.4% |
| 91784 | Upland | Standard | 26,886 | $154,349 | 16.9 | 3.3% |
| 92277 | Twentynine Palms | Standard | 26,277 | $60,901 | 1,747.4 | 9.0% |
| 92284 | Yucca Valley | Standard | 25,415 | $58,373 | 141.7 | 1.5% |
| 91737 | Rancho Cucamonga | Standard | 22,958 | $122,334 | 13.2 | -7.3% |
| 92354 | Loma Linda | Standard | 22,051 | $83,847 | 5.4 | 2.3% |
| 92371 | Phelan | Standard | 21,580 | $78,986 | 153.6 | 46.5% |
| 92344 | Hesperia | Standard | 21,349 | $98,071 | 40.1 | -0.2% |
| 92377 | Rialto | Standard | 20,814 | $116,223 | 7.4 | 5.4% |
| 91708 | Chino | Standard | 19,213 | $108,861 | 7.8 | 457.4% |
| 92408 | San Bernardino | Standard | 14,325 | $68,333 | 10.8 | -6.5% |
| 92313 | Grand Terrace | Standard | 13,078 | $83,628 | 3.6 | 6.7% |
| 92314 | Big Bear City | Standard | 9,334 | $74,910 | 52.6 | -11.7% |
| 92359 | Mentone | Standard | 9,284 | $77,846 | 16.9 | 11.9% |
| 92325 | Crestline | PO Box | 9,065 | $70,563 | 12.4 | 9.0% |
| 92310 | Fort Irwin | Standard | 8,419 | $76,107 | 199.1 | -8.4% |
| 92342 | Helendale | Standard | 7,606 | $115,058 | 118.6 | 20.7% |
| 92252 | Joshua Tree | Standard | 7,538 | $66,598 | 128.6 | -18.3% |
| 92356 | Lucerne Valley | Standard | 6,543 | $54,923 | 553.0 | 4.0% |
| 92352 | Lake Arrowhead | PO Box | 6,246 | $105,753 | 15.3 | -7.9% |
| 92397 | Wrightwood | Standard | 5,854 | $77,250 | 29.3 | 26.8% |
| 92363 | Needles | Standard | 5,531 | $40,068 | 559.0 | 3.3% |
| 92382 | Running Springs | PO Box | 5,215 | $81,493 | 56.2 | 1.0% |
| 92315 | Big Bear Lake | Standard | 5,215 | $77,436 | 13.8 | -0.4% |
| 92372 | Pinon Hills | Standard | 5,149 | $66,471 | 21.5 | -13.2% |
| 92256 | Morongo Valley | Standard | 4,209 | $51,949 | 90.8 | 15.9% |
| 92278 | Twentynine Palms | PO Box | 3,913 | — | 0.6 | -5.8% |
| 92285 | Landers | Standard | 2,764 | $47,734 | 380.7 | 1.2% |
| 92398 | Yermo | PO Box | 2,609 | $59,888 | 122.0 | 123.9% |
| 92369 | Patton | PO Box | 2,575 | — | 0.5 | — |
| 92391 | Twin Peaks | PO Box | 2,254 | $81,789 | 1.9 | -24.9% |
| 92365 | Newberry Springs | Standard | 2,192 | $67,600 | 922.2 | 12.2% |
| 92386 | Sugarloaf | PO Box | 2,042 | $50,694 | 2.6 | 4.8% |
| 93562 | Trona | Standard | 1,849 | $65,650 | 347.9 | 3.8% |
| 92401 | San Bernardino | Standard | 1,659 | $26,596 | 0.6 | -21.2% |
| 92242 | Earp | Standard | 1,359 | $37,500 | 139.1 | 10.0% |
| 92339 | Forest Falls | Standard | 1,302 | $77,167 | 40.7 | 30.6% |
| 92317 | Blue Jay | PO Box | 916 | $99,103 | 0.2 | — |
| 92368 | Oro Grande | Standard | 906 | $80,938 | 72.4 | -14.8% |
| 92322 | Cedarpines Park | PO Box | 770 | $149,119 | 6.7 | -15.5% |
| 92347 | Hinkley | Standard | 766 | $58,833 | 276.9 | -50.7% |
| 92321 | Cedar Glen | PO Box | 724 | $123,688 | 7.0 | -41.8% |
| 92358 | Lytle Creek | Standard | 672 | $86,394 | 51.6 | -40.4% |
| 92327 | Daggett | Standard | 576 | — | 67.8 | -52.1% |
| 92305 | Angelus Oaks | Standard | 533 | $145,536 | 184.2 | 66.0% |
| 92268 | Pioneertown | PO Box | 434 | $58,798 | 66.5 | -28.3% |
| 92341 | Green Valley Lake | PO Box | 406 | $97,273 | 22.8 | 38.1% |
| 92350 | Loma Linda | Unique | 344 | — | 0.2 | — |
| 92309 | Baker | Standard | 343 | — | 552.2 | -62.6% |
| 91759 | Mt Baldy | PO Box | 341 | $122,583 | 44.5 | -7.6% |
| 92378 | Rimforest | PO Box | 315 | $105,294 | 5.7 | 89.8% |
| 92333 | Fawnskin | PO Box | 302 | — | 33.7 | -52.8% |
| 92385 | Skyforest | PO Box | 198 | — | 10.5 | -26.4% |
| 92332 | Essex | Standard | 105 | — | 1,596.8 | 1400.0% |
| 92364 | Nipton | Standard | 7 | — | 902.3 | -76.7% |
| 92267 | Parker Dam | PO Box | 0 | — | 37.5 | — |
| 92280 | Vidal | Standard | 0 | — | 930.4 | -100.0% |
| 92338 | Ludlow | Standard | 0 | — | 166.8 | — |
| 92304 | Amboy | PO Box | 0 | — | 471.2 | -100.0% |
| 92415 | San Bernardino | Unique | 0 | — | 0.2 | — |
| 92334 | Fontana | PO Box | — | — | 0.0 | — |
| 92423 | San Bernardino | PO Box | — | — | 0.0 | — |
| 92402 | San Bernardino | PO Box | — | — | 0.0 | — |
| 92286 | Yucca Valley | PO Box | — | — | 0.0 | — |
| 91729 | Rancho Cucamonga | PO Box | — | — | 0.0 | — |
| 91785 | Upland | PO Box | — | — | 0.0 | — |
| 92375 | Redlands | PO Box | — | — | 0.0 | — |
| 92331 | Fontana | PO Box | — | — | 0.0 | — |
| 92403 | San Bernardino | Standard | — | — | 0.0 | — |
| 91758 | Ontario | Standard | — | — | 0.0 | — |
| 91743 | Guasti | PO Box | — | — | 0.0 | — |
| 92318 | Bryn Mawr | Standard | — | — | 0.1 | — |
| 92357 | Loma Linda | Unique | — | — | 0.0 | — |
| 92427 | San Bernardino | PO Box | — | — | 0.0 | — |
| 92413 | San Bernardino | PO Box | — | — | 0.0 | — |
| 92418 | San Bernardino | Unique | — | — | 0.0 | — |
| 92406 | San Bernardino | PO Box | — | — | 0.0 | — |
| 92323 | Cima | Standard | — | — | 0.0 | — |
| 92366 | Mountain Pass | Standard | — | — | 0.0 | — |
| 92312 | Barstow | PO Box | — | — | 0.0 | — |
| 92340 | Hesperia | PO Box | — | — | 0.0 | — |
| 92329 | Phelan | PO Box | — | — | 0.0 | — |
| 92393 | Victorville | PO Box | — | — | 0.0 | — |
| 93592 | Trona | PO Box | — | — | 182.0 | — |