Example image of eyePlorer eyePlorer map for 'Clark County, Nevada': County Southern Nevada 2000 United States Census Nevada Las Vegas, Nevada County seat Lincoln County, Nevada Arizona Territory Pah-Ute County, Arizona Montana United States Senate William A. Clark Los Angeles and Salt Lake Railroad United States Census Bureau Colorado River Hoover Dam Lake Mead Arizona California Laughlin, Nevada List of U.S. states by elevation Mount Charleston Census Inyo County, California San Bernardino County, California Population density Race and ethnicity in the United States Census Marriage Per capita income Poverty threshold Clark County Commission (Nevada) Partisan (political) Unincorporated area Amphitheatre Las Vegas Metropolitan Police Department Boulder City, Nevada Clark County School District Police Department Henderson, Nevada Mesquite, Nevada North Las Vegas, Nevada University of Nevada, Las Vegas Clark County Regional Flood Control District Nevada Legislature Clark County School District RTC Transit Las Vegas Wash Wetland Desert National Wildlife Refuge Fort Mojave Indian Reservation Humboldt-Toiyabe National Forest