Port Gibson
- County:
- Claiborne County
- County Seat:
- Yes
- Area (mi²):
- 1.755
- State:
- Mississippi
Port Gibson is a city located in Claiborne County, Mississippi. Port Gibson has a 2026 population of 1,166. It is also the county seat of Claiborne County. Port Gibson is currently declining at a rate of -1.52% annually and its population has decreased by -8.62% since the most recent census, which recorded a population of 1,276 in 2020.
The median household income in Port Gibson is $42,656 with a poverty rate of 39.02%. The median age in Port Gibson is 42 years: 29.9 years for males, and 45.8 years for females. For every 100 females there are 69.5 males.