Declo is located in Idaho. Declo, Idaho has a population of 475. Declo is more family-centric than the surrounding county with 47.22% of the households containing married families with children. The county average for households married with children is 40.6%.
The median household income in Declo, Idaho is $48,594. The median household income for the surrounding county is $48,162 compared to the national median of $57,652. The median age of people living in Declo is 29.5 years.
The average high temperature in July is 88.1 degrees, with an average low temperature in January of 18.1 degrees. The average rainfall is approximately 10.8 inches per year, with 10.5 inches of snow per year.