2,398,871 people (2024 Census estimate, +5.4% since 2020)
7,892 square miles of land · 304 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.
46 active community water systems list Clark County in the area they serve, reporting 2,355,130 people served in all (a system that crosses county lines counts its whole population).
| LAS VEGAS VALLEY WATER DISTRICT buys surface water · local government · NV0000090 | 1,539,277 served |
| NORTH LAS VEGAS UTILITIES buys surface water · local government · NV0000175 | 376,515 served |
| HENDERSON CITY OF buys surface water · local government · NV0000076 | 336,534 served |
| VIRGIN VALLEY WATER DISTRICT groundwater · local government · NV0000167 | 26,000 served |
| NELLIS AIR FORCE BASE buys surface water · federal · NV0003028 | 19,081 served |
| BOULDER CITY buys surface water · local government · NV0000011 | 15,000 served |
| BIG BEND WATER DISTRICT surface water · local government · NV0004092 | 9,000 served |
| MOAPA VALLEY WATER DISTRICT groundwater · local government · NV0000160 | 8,500 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 3,529 people were held in Clark County's jail, in Vera's latest figure (2024), or 229 per 100,000 residents ages 15–64. In 2019 it was about 5,001.
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 Clark County. School taxes are usually the largest part of a property tax bill.
Spent $4.1 billion — $3.6 billion to run schools, about $11,569 per student, plus $390.9 million on buildings and equipment. Money in: $730.4 million local (mostly property tax), $3 billion state, $764 million federal. Long-term debt: $2.8 billion.
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 Clark County about $812.6 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very Low; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
1,154 bridges in Clark County: 737 in good condition, 415 fair, and 2 poor (0.2%). “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.
| PARADISE RD over TROPICANA WASH · built 1971 | 36,000 vehicles a day |
| US 95 over ELDORADO LAKE · built 1977 | 4,325 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $490.6 million of work in Clark County in fiscal 2025, about $217 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 Nevada 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 Clark 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 Clark County built: brayden.ozark@gmail.com.
More of Nevada: the state government and every county in Nevada.
Nearby counties: Mohave County, AZ (78 mi) · Lincoln County (98 mi) · Washington County, UT (112 mi) · San Bernardino County, CA (114 mi) · Inyo County, CA (135 mi) · Nye County (145 mi).