Ludowici is a city in Long County, Georgia, United States. The population was 1,703 at the 2010 Census and an estimated 2,221 in 2018. The city is the county seat of Long County. It is a part of the Hinesville-Fort Stewart metropolitan statistical area. The town, which was originally called Johnston Station, had its beginnings in the 1840s when the Atlantic and Gulf Railroad established a stop referred to as "Four and a Half".