The thriving community of Arnold is ideally located about 20 miles south of St. Louis at the confluence of the Meramec and Mississippi Rivers. Distinguished as the largest city in the county, Arnold serves as a hub of commercial activity and urban amenities for the surrounding small towns. Casual and fine dining, entertainment centers, and local industry create a balanced environment that manages to retain a rural flavor and small-town intimacy. Commuters appreciate a location along the Interstate 55 corridor, ensuring quick and easy access to Interstates 44 and 270. Since its incorporation 1972, Arnold has experienced continual residential and business development. Local employers include large national retailers, medical and professional services, retail chains, manufacturers, and family-owned businesses. Residents enjoy attractive, affordable housing that ranges from well-kept older homes to beautiful new construction. Nearly 400 acres of well-groomed parkland maintained by the Parks & Recreation Department provide facilities and green space for exercise and relaxation. Amenities include playgrounds, picnic shelters, tennis courts, a swimming pool, fishing lakes, and sports fields.