Clark County area

Population and density of Clark County

The Census Bureau estimates that 2,407,226 people lived in Clark County on July 1, 2025. That ranks #11 of 3,222 county equivalents nationally and #1 of 17 in Nevada. Since the April 1, 2020 estimates base of 2,266,446, the population has grown by 140,780 (+6.2%), compared with +5.7% for Nevada as a whole.

With 7,891.7 square miles of land, that is 305 people per square mile (118 per km²), placing Clark County #504 nationally for density and #2 in Nevada. The median county equivalent has 47 people per square mile; the Nevada median is 3.2. Put another way, there are about 2.1 acres of land per resident.

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Clark County

5 incorporated places lie at least partly in Clark County. Together they are home to 1,368,644 people (56.9%); the other 1,038,582 (43.1%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Las Vegas city, with 679,817 residents in the county. By land, Boulder City city is the largest at 212.3 mi². Among places with at least 1,000 residents in 2020, Mesquite city grew fastest since then (+17.3%).

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Clark County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Clark County is a central county of the Las Vegas-Henderson-North Las Vegas, NV Metropolitan Statistical Area. Clark County is the area’s only county equivalent, so the metro area has the same 7,891.7 square miles of land. By combined land it ranks #18 of 393 metropolitan areas, and #29 by population. It belongs to the Las Vegas-Henderson, NV Combined Statistical Area.

ZIP codes

76 ZIP Code Tabulation Areas have land in Clark County, and each lies mostly inside the county.

89002890048900589007890118901289014890158901889019890218902589026890278902989030890318903289034890398904089044890468905289054890708907489081890848908589086891018910289103891048910689107891088910989110891138911589117891188911989120891218912289123891248912889129891308913189134891358913889139891418914289143891448914589146891478914889149891568915889161891668916989178891798918389191

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Clark County

Clark County shares a land border with 5 county equivalents, including 3 in Arizona and California. Each of them has more land than Clark County. The largest neighbor is San Bernardino County (20,068.4 mi²) and the smallest is Inyo County (10,197.3 mi²). Together with its neighbors, Clark County forms a block of 80,304.8 mi² of land, of which it holds 9.8%.

How big is Clark County compared with U.S. states?

Clark County has more land than 6 of the 50 states. It is about 1 times the land area of Massachusetts (7,801 mi²), while New Hampshire, the next larger state, has 1.1 times as much land (8,954 mi²). Nevada’s county land could hold about 14 areas the size of Clark County.

Another way to picture it: the same land area would fill a square about 88.8 miles (143 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Clark County?

Clark County has more land than 3,185 of the other 3,221 county equivalents in the dataset.

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Clark County at #42 nationally by total area, 5 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 2.1%, compared with a national county-equivalent median of 1.2% — 0.9 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Clark County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.