
Blackwater
- County:
- Cooper County
- County Seat:
- No
- Area (mi²):
- 0.328
- State:
- Missouri
Blackwater is a city located in Cooper County, Missouri. Blackwater has a 2025 population of 181. Blackwater is currently growing at a rate of 1.12% annually and its population has increased by 4.62% since the most recent census, which recorded a population of 173 in 2020.
The average household income in Blackwater is $67,229 with a poverty rate of 8%. The median age in Blackwater is 26.6 years: 34.2 years for males, and 22.3 years for females.