64,120 people (2024 Census estimate, +10.7% since 2020)
5,781 square miles of land · 11 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.
35 active community water systems list Box Elder County in the area they serve, reporting 58,639 people served in all (a system that crosses county lines counts its whole population).
| BRIGHAM CITY WATER SYSTEM groundwater · local government · UTAH02004 | 20,540 served |
| TREMONTON CITY groundwater · local government · UTAH02011 | 13,000 served |
| PERRY CITY groundwater · local government · UTAH02019 | 6,570 served |
| WILLARD CITY WATER SYSTEM groundwater · local government · UTAH02024 | 2,036 served |
| WEST CORINNE WATER CO groundwater · private · UTAH02022 | 1,970 served |
| HONEYVILLE TOWN WATER SYSTEM groundwater · local government · UTAH02016 | 1,750 served |
| SOUTH WILLARD groundwater · private · UTAH02021 | 1,500 served |
| UKON WATER COMPANY groundwater · private · UTAH02014 | 1,465 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 136 people were held in Box Elder County's jail, in Vera's latest figure (2019), or 392 per 100,000 residents ages 15–64. In 2014 it was about 142.
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.
1 school district has its office in Box Elder County. School taxes are usually the largest part of a property tax bill.
Spent $148.5 million — $130.1 million to run schools, about $10,287 per student, plus $15.8 million on buildings and equipment. Money in: $56.5 million local (mostly property tax), $81.8 million state, $13.5 million federal. Long-term debt: $22.5 million.
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: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Box Elder County about $31.3 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
184 bridges in Box Elder County: 42 in good condition, 131 fair, and 11 poor (6.0%). “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.
| SR-126 over I-15 (SR-15) NBL AND SBL · built 1968 | 8,412 vehicles a day |
| CO.RD.-INTCHG.X-RD over I-84 (SR-84) · built 1989 | 645 vehicles a day |
| TOWN STR.-FA. #526 over DEEP CREEK · built 1941 | 630 vehicles a day |
| TOWN ROAD-FA.#512 over MALAD RIVER · built 1945 | 347 vehicles a day |
| TOWN ROAD over MALAD RIVER · built 1969 | 265 vehicles a day |
| 15600 N.ST. CO.RD. over WEST CANAL · built 1950 | 189 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $22.3 million of work in Box Elder County in fiscal 2025, about $387 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.
Registration deadlines, early voting and polling places for Utah are on the federal site vote.gov, which links to the state's official election office.
The budget, property tax rates, audits, local officials and offices for Box Elder 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 Box Elder County built: brayden.ozark@gmail.com.
More of Utah: the state government and every county in Utah.
Nearby counties: Oneida County, ID (48 mi) · Cassia County, ID (54 mi) · Davis County (60 mi) · Weber County (66 mi) · Cache County (68 mi) · Franklin County, ID (74 mi).