Shell Rock is located in Iowa. Shell Rock, Iowa has a population of 1,297. Shell Rock is more family-centric than the surrounding county with 32.8% of the households containing married families with children. The county average for households married with children is 30.11%.
The median household income in Shell Rock, Iowa is $52,578. The median household income for the surrounding county is $53,937 compared to the national median of $57,652. The median age of people living in Shell Rock is 40.4 years.
The average high temperature in July is 83.1 degrees, with an average low temperature in January of 7.7 degrees. The average rainfall is approximately 35.7 inches per year, with 34.2 inches of snow per year.