Clark County is a
county located in the
U.S. state of
Nevada. As of the
2010 census, the population was 1,951,269, with an estimated population of 2,000,759 in 2012. It is by far the most populous county in
Nevada, accounting for nearly three-quarters of its residents.
Las Vegas, Nevada's most populous city, has been the
county seat since the county was established.