378,470 people (2024 Census estimate, +4.0% since 2020)
325 square miles of land · 1,165 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.
20 active community water systems list Davis County in the area they serve, reporting 396,687 people served in all (a system that crosses county lines counts its whole population).
| LAYTON CITY WATER SYSTEM buys surface water · local government · UTAH06018 | 82,000 served |
| BOUNTIFUL CITY WATER SYSTEM surface water · local government · UTAH06015 | 37,500 served |
| SYRACUSE CITY WATER SYSTEM buys surface water · local government · UTAH06012 | 35,561 served |
| CLEARFIELD CITY WATER SYSTEM buys surface water · local government · UTAH06002 | 33,540 served |
| KAYSVILLE CITY WATER SYSTEM buys surface water · local government · UTAH06006 | 32,976 served |
| FARMINGTON CITY WATER SYSTEM buys surface water · local government · UTAH06004 | 27,860 served |
| HILL AIR FORCE BASE buys surface water · federal · UTAH06024 | 25,625 served |
| CLINTON CITY WATER SYSTEM buys surface water · local government · UTAH06003 | 23,000 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 595 people were held in Davis County's jail, in Vera's latest figure (2023), or 246 per 100,000 residents ages 15–64. In 2018 it was about 795.
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 Davis County. School taxes are usually the largest part of a property tax bill.
Spent $821.8 million — $733.6 million to run schools, about $9,986 per student, plus $68.8 million on buildings and equipment. Money in: $328.3 million local (mostly property tax), $454.9 million state, $75.5 million federal. Long-term debt: $463.4 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 Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Davis County about $127.7 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.
147 bridges in Davis County: 46 in good condition, 100 fair, and 1 poor (0.7%). “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.
| STATE STREET over I-15 (SR-15) UPRR & · built 1973 | 11,728 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $48.3 million of work in Davis County in fiscal 2025, about $133 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 Davis 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 Davis County built: brayden.ozark@gmail.com.
More of Utah: the state government and every county in Utah.
Nearby counties: Weber County (23 mi) · Salt Lake County (29 mi) · Morgan County (33 mi) · Cache County (54 mi) · Box Elder County (60 mi) · Tooele County (62 mi).