 However, Democratic challenger Jacky Rosen swamped him in Clark by 92,000 votes, almost double her statewide margin of 48,500 votes.As well, since 2008, the Democratic presidential candidate has won Clark by more than enough votes to carry Nevada.The Clark County Regional Flood Control District (CCRFCD) was created in 1985 by the Nevada Legislature allowing Clark County to provide broad solutions to flooding problems.