
Blairstown
- County:
- Benton County
- County Seat:
- No
- Area (mi²):
- 0.496
- State:
- Iowa
Blairstown is a city located in Benton County, Iowa. Blairstown has a 2025 population of 702. Blairstown is currently declining at a rate of -0.14% annually and its population has decreased by -0.57% since the most recent census, which recorded a population of 706 in 2020.
The average household income in Blairstown is $83,754 with a poverty rate of 13.18%. The median age in Blairstown is 37.8 years: 34.5 years for males, and 43 years for females.