Port Gibson is a city located in Mississippi. With a 2020 population of 1,272, it is the 142nd largest city in Mississippi and the 9341st largest city in the United States. Port Gibson is currently declining at a rate of -2.90% annually and its population has decreased by -18.83% since the most recent census, which recorded a population of 1,567 in 2010. Port Gibson reached it's highest population of 1,561 in 2010. Spanning over 2 miles, Port Gibson has a population density of 724 people per square mile.
The average household income in Port Gibson is $38,899 with a poverty rate of 44.17%. The median rental costs in recent years comes to $643 per month, and the median house value is $74,800. The median age in Port Gibson is 32.7 years, 28.6 years for males, and 39.3 years for females. For every 100 females there are 102.3 males.