Incorporated in 1972, Arnold is a growing and prosperous city of nearly 25,000 people located in the St. Louis Metropolitan Region. Situated along Interstate 55 at the confluence of the Meramec and Mississippi Rivers, Arnold is a suburban community, so close to it all. Whatever you are looking for is within reach: hiking or fishing in our many parks and rivers, exploring our rambling Ozark countryside, and a host of activities, culture, and dining experiences are all right here. What’s more, the lights and attractions of St. Louis are just a few short miles beyond our borders.
Arnold is nestled in beautiful rolling hills of Jefferson County, safe and secure. Arnold boasts a fantastic small town atmosphere where neighborhood barbeques and school carnivals still fill your weekends and evenings.
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