Poston is a cdp located in La Paz County, in the state of Arizona (AZ), United States. Nestled in the Mountain division of the West region, it covers an area of 1.4 square miles (4.0 km²) and sits at an elevation of 333 ft. With a population of approximately 389 residents, Poston offers a peaceful, rural atmosphere.
The town's population is composed of about 52.44% males and 47.56% females, and it has a population density of 279.86 people per square mile (108.05/km²). Poston lies at a latitude of 33.99 and a longitude of -114.4, operating in the UTC-5.