Blairstown is a city located in Benton County, in the state of Iowa (IA), United States. Nestled in the West North Central division of the Midwest region, it covers an area of 0.5 square miles (1.0 km²) and sits at an elevation of 840 ft. With a population of approximately 682 residents, Blairstown offers a peaceful, rural atmosphere.
The town's population is composed of about 46.33% males and 53.67% females, and it has a population density of 420.83 people per square mile (548.59/km²). Blairstown lies at a latitude of 41.91 and a longitude of -92.08, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (11%), followed by English (5.1%), German (50.4%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 52209.