Today in Florida History December 4, Gilchrist County, Florida’s 67 th, youngest and smallest county was created on this date. The county was named after Florida’s 20 th Governor, Albert W. Gilchrist who served from 1909 – 1913. It is considered a rural county with less than 17,000 residents. The county seat is Trenton. Other large towns include Bell and Fanning Springs, which it shares with Levy County.