Credit scores represent three distinct categories based on what the credit score rating is. These categories are: Good, Fair, and Poor. This graphic's purpose is to compare the top insurance providers in Naperville, IL and how much they charge on average in a month for each of these three credit score ratings. If you have a good credit score, then the provider that charges the least on average in Naperville is State Farm ($139), and the provider that requires the most is Farmers ($346). For Fair credit scores, the most affordable provider is State Farm, and the least affordable provider is Allstate, with the former charging $179 per month and the latter charging $384. Nationwide charges the lowest average monthly payment for those that have Poor credit (at $241), and Allstate charges the most (at $530).