Hoboken is a city in Brantley County, Georgia, United States. As of the 2020 census, the city had a population of 480. The city's name most l…Hoboken is a city in Brantley County, Georgia, United States. As of the 2020 census, the city had a population of 480. The city's name most likely is a transfer from Hoboken, New Jersey. The Georgia General Assembly incorporated the place as the City of Hoboken in 1920. Hoboken served as the first county seat of Brantley County from the county's formation in 1920 until 1923 when the seat was transferred to Nahunta.