
Rock Port
- County:
- Atchison County
- County Seat:
- Yes
- Area (mi²):
- 2.771
- State:
- Missouri
Rock Port is a city located in Atchison County, Missouri. Rock Port has a 2025 population of 1,197. It is also the county seat of .Rock Port is currently declining at a rate of -1.24% annually and its population has decreased by -5.9% since the most recent census, which recorded a population of 1,272 in 2020.
The average household income in Rock Port is $72,071 with a poverty rate of 14.71%. The median age in Rock Port is 47.9 years: 44.1 years for males, and 50.4 years for females.