
Blairstown
- County:
- Henry County
- County Seat:
- No
- Area (mi²):
- 0.249
- State:
- Missouri
Blairstown is a city located in Henry County, Missouri. Blairstown has a 2025 population of 98. Blairstown is currently growing at a rate of 1.03% annually and its population has increased by 3.16% since the most recent census, which recorded a population of 95 in 2020.
The average household income in Blairstown is $50,667 with a poverty rate of 16.67%. The median age in Blairstown is 58.6 years: 58.3 years for males, and 59 years for females.