Shellsburg is a city located in Benton County, in the state of Iowa (IA), United States. Nestled in the West North Central division of the Midwest region, it covers an area of 0.7 square miles (2.0 km²) and sits at an elevation of 774 ft. With a population of approximately 938 residents, Shellsburg offers a peaceful, rural atmosphere.
The town's population is composed of about 51.6% males and 48.4% females, and it has a population density of 302.78 people per square mile (503.01/km²). Shellsburg lies at a latitude of 42.09 and a longitude of -91.87, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (6.2%), followed by English (12%), German (36.5%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 52332.