Arnold, Missouri, US is a city located in Jefferson County, southwest of St. Louis. Incorporated in 1972, it has grown to a population of approximately 21,000 residents as of 2020. Arnold is known for its outdoor recreational opportunities, including the Arnold City Park, which features sports facilities, picnic areas, and a fishing lake. The city's history includes being a stop along the historic Route 66, which brought travelers and businesses to the area.
Dollar General takes the top spot among Dollar Stores and Deep Discount Stores in Arnold, Missouri with 2 locations as of April 12, 2024. Dollar Tree is in second place with 2 locations.