2,214,281 people (2024 Census estimate, +1.4% since 2020)
20,068 square miles of land · 110 people per square mile
“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.
147 active community water systems list San Bernardino County in the area they serve, reporting 2,439,317 people served in all (a system that crosses county lines counts its whole population).
| SAN GABRIEL VALLEY WC - FONTANA surface water · private · CA3610041 | 228,270 served |
| SAN BERNARDINO CITY groundwater · local government · CA3610039 | 214,665 served |
| CUCAMONGA VALLEY WATER DISTRICT surface water · local government · CA3610018 | 213,375 served |
| ONTARIO MUNICIPAL UTILITIES COMPANY buys surface water · local government · CA3610034 | 185,010 served |
| VICTORVILLE WATER DISTRICT buys surface water · local government · CA3610052 | 140,721 served |
| SAN BERNARDINO VALLEY WD groundwater · local government · CA3610019 | 109,608 served |
| EAST VALLEY WATER DISTRICT surface water · local government · CA3610064 | 108,600 served |
| HESPERIA WD groundwater · local government · CA3610024 | 101,836 served |
Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.
About 4,573 people were held in San Bernardino County's jail, in Vera's latest figure (2025). In 2020 it was about 5,263.
Source: Vera Institute of Justice, Incarceration Trends (built from federal Bureau of Justice Statistics jail surveys). Counties without their own jail, or that share one, may show no figure.
33 school districts have their office in San Bernardino County. School taxes are usually the largest part of a property tax bill.
Spent $1.1 billion — $965.8 million to run schools, about $21,009 per student, plus $104.5 million on buildings and equipment. Money in: $132.1 million local (mostly property tax), $924.4 million state, $190.5 million federal. Long-term debt: $425.7 million.
Spent $685 million — $643.7 million to run schools, about $18,984 per student, plus $30.6 million on buildings and equipment. Money in: $129.5 million local (mostly property tax), $628.5 million state, $65.7 million federal. Long-term debt: $290.1 million.
Spent $520.5 million — $372.3 million to run schools, about $14,518 per student, plus $111.8 million on buildings and equipment. Money in: $171.8 million local (mostly property tax), $327.3 million state, $40.8 million federal. Long-term debt: $724.7 million.
Spent $481.5 million — $437.4 million to run schools, about $18,123 per student, plus $38.8 million on buildings and equipment. Money in: $93.3 million local (mostly property tax), $421.8 million state, $66.7 million federal. Long-term debt: $127.9 million.
Spent $484.1 million — $386.7 million to run schools, about $16,706 per student, plus $65.2 million on buildings and equipment. Money in: $178.9 million local (mostly property tax), $293.9 million state, $38.2 million federal. Long-term debt: $553 million.
Spent $391 million — $357.3 million to run schools, about $15,560 per student, plus $26 million on buildings and equipment. Money in: $48 million local (mostly property tax), $345.5 million state, $57.5 million federal. Long-term debt: $95.1 million.
Spent $379.5 million — $351.1 million to run schools, about $17,755 per student, plus $20.4 million on buildings and equipment. Money in: $93.2 million local (mostly property tax), $283.3 million state, $40 million federal. Long-term debt: $55.9 million.
Spent $391.1 million — $365.1 million to run schools, about $18,922 per student, plus $15.5 million on buildings and equipment. Money in: $86.5 million local (mostly property tax), $339.8 million state, $50.9 million federal. Long-term debt: $237.3 million.
And 25 more.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.
Overall risk: Very High compared with other U.S. counties. FEMA estimates natural hazards cost San Bernardino County about $2.1 billion a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
1,422 bridges in San Bernardino County: 647 in good condition, 713 fair, and 62 poor (4.4%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.
| CENTRAL AVE over UP RR AMTRAK METROLINK · built 1967 | 39,900 vehicles a day |
| RIVERSIDE AVE over UP RR RAIL YARD · built 1959 | 37,000 vehicles a day |
| WATERMAN AVE over SANTA ANA RIVER · built 1948 | 31,153 vehicles a day |
| N15-N395 CONNECTOR over INTERSTATE 15 · built 1964 | 26,500 vehicles a day |
| INTERSTATE 15 SB over WHEATON WASH · built 1963 | 18,500 vehicles a day |
| INTERSTATE 40 over MACDONALD WASH · built 2007 | 13,600 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $1.2 billion of work in San Bernardino County in fiscal 2025, about $568 per resident — to the county, cities, schools, hospitals, nonprofits and others.
Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.
From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.
General election: Tuesday, November 3, 2026. Ballots mailed; drop boxes open: 2026-10-05. Last day to register to vote: 2026-10-19. Early in-person voting: 2026-10-24 to 2026-11-03. Election Day: 2026-11-03. Last day for mailed ballots to arrive: 2026-11-10.
Source: California Secretary of State — Nov. 3, 2026 key dates · California Official Voter Information Guide — dates to remember · California Secretary of State — make a plan to vote
The budget, property tax rates, audits, local officials and offices for San Bernardino County come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have San Bernardino County built: brayden.ozark@gmail.com.
More of California: the state government and every county in California.
Nearby counties: Riverside County (78 mi) · Clark County, NV (115 mi) · Orange County (122 mi) · Los Angeles County (126 mi) · San Diego County (131 mi) · Imperial County (134 mi).