Port Wentworth, GA has a population of 7,052 and is the 5,153rd largest city in the United States. The population density is 433 per sq mi which is 159% higher than the Georgia average and 378% higher than the national average. The median age in Port Wentworth is 32 which is approximately 11% lower than the Georgia average of 36. In Port Wentworth, 64% of the population over 15 years of age are married, 85% speak English and 10% speak Spanish. 61% of Port Wentworth residents were born in Georgia, 30% were born out of state, 2% were born outside of the United States and 7% were foreign born.