North Sioux City is a growing community in Union County, South Dakota, with a population of just over 3,000. Nestled between the Big Sioux River and McCook Lake, and just across the border from Sioux City, Iowa, this thriving town blends natural beauty with suburban convenience. Incorporated in 1951, North Sioux City is rich in history and serves as a gateway to the Siouxland region. With close access to major highways, employment centers, outdoor recreation, and family-friendly neighborhoods, North Sioux City is ideal for those looking to live near the amenities of a metropolitan area while enjoying the comfort of small-town South Dakota living.