From its county population in 2000 of 10906 to its current population estimate of 14214, the county has experienced a growth change of 3308.
McIntosh County, on the Georgia coast, was created from Liberty County by an act of the state legislature in 1793. The county was named for the McIntosh family, who were among the earliest Scottish Highlanders to settle the area three years after the founding of the Georgia colony.
Darien was incorporated and made the seat of McIntosh County in 1816, during a period when the area began to prosper as a primary outlet for the shipment of upland-grown cotton conveyed to the port down the Altamaha River.
During the antebellum period rice and Sea Island cotton plantations made McIntosh County one of the wealthiest sections of the south Atlantic coast. Rice shipments from the local Altamaha delta exceeded 6 million pounds in 1859, the peak year for exports.