Port Gibson is a city located in Claiborne County Mississippi. It is also the county seat of Claiborne County. With a 2020 population of 1,266, it is the 140th largest city in Mississippi and the 9351st largest city in the United States . Port Gibson is currently declining at a rate of -1.78% annually and its population has decreased by -19.21% since the most recent census, which recorded a population of 1,567 in 2010. Port Gibson reached it's highest population of 1,562 in 2010. Spanning over 2 miles, Port Gibson has a population density of 721 people per square mile.
The average household income in Port Gibson is $45,551 with a poverty rate of 37.80%. The median rental costs in recent years comes to $625 per month, and the median house value is $81,300. The median age in Port Gibson is 35.6 years, 32.6 years for males, and 47.1 years for females.