Caldwell is located in Idaho. Caldwell, Idaho has a population of 51,634. Caldwell is more family-centric than the surrounding county with 40.43% of the households containing married families with children. The county average for households married with children is 38.12%.
The median household income in Caldwell, Idaho is $43,269. The median household income for the surrounding county is $46,426 compared to the national median of $57,652. The median age of people living in Caldwell is 29.7 years.
The average high temperature in July is 93.7 degrees, with an average low temperature in January of 22.9 degrees. The average rainfall is approximately 11.7 inches per year, with 5.6 inches of snow per year.