Brinkley is a city located in Monroe 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 5.5 square miles (14.0 km²) and sits at an elevation of 209 ft. With a population of approximately 3,940 residents, Brinkley offers a peaceful, rural atmosphere.
The town's population is composed of about 44.9% males and 55.1% females, and it has a population density of 718.98 people per square mile (277.60/km²). Brinkley lies at a latitude of 34.89 and a longitude of -91.19, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (13.6%), followed by English (2.7%), German (3.8%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 72021.