Subiaco is a town located in Logan County, in the state of Arkansas (AR), United States. Nestled in the West South Central division of the South region, it covers an area of 1.8 square miles (5.0 km²) and sits at an elevation of 476 ft. With a population of approximately 439 residents, Subiaco offers a peaceful, rural atmosphere.
The town's population is composed of about 55.13% males and 44.87% females, and it has a population density of 238.59 people per square mile (92.12/km²). Subiaco lies at a latitude of 35.29 and a longitude of -93.64, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (9.6%), followed by English (3.2%), German (35.3%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 72865.