Forsyth County is a county in the American state of Georgia. The county seat of Forsyth County is Cumming, Georgia. Forsyth County has one of the fastest growing populations of any county in the United States. The number of people has grown from 98,407 to 140,393 between 2000 and 2005. The county was made in 1832 and is named after John Forsyth. The county has five main high schools including; North Forsyth, West Forsyth, Lambert High, Forsyth Central, and South Forsyth.