Insurance companies. Check out the table below to estimate how your vehicle might be impacting your insurance costs in illinois. These are the largest car insurance companies in illinois ranked by market share. Amount of written premiums in illinois is state farm. Is it fair for car insurance companies to consider a driver's occupation when setting premiums? We looked at 35-year-old drivers to find the cheapest company overall, the cheapest company for minimum coverage and the cheapest company for drivers with poor credit in states where credit history is used to price rates. Car insurance companies in il offer full coverage, comprehensive, collision, and the like, but they are not required by state law.
Some cities in illinois have cheaper car insurance premiums than others because insurance companies take a driver's zip code into account when calculating their premium, alongside other factors.