The answer to 'cost to replace downspouts in Illinois' is that the typical cost to replace downspouts can vary significantly depending on several factors. Generally, homeowners in Illinois can expect to pay anywhere from $150 to $500 or more to have a professional replace their downspouts.
The exact cost will depend on factors like the number of downspouts being replaced, the material and style of the new downspouts, the accessibility and condition of the existing system, and the labor rates in your local area. It's important to get multiple quotes from licensed and insured roofing contractors to ensure you get a fair price for the work.