Cost of Living Calculator

Illinois is the #12 cheapest state in the US. The cost of living in Illinois is 8.56% lower than the national average. The cost of living in Illinois varies depending on the area you live in. The most expensive city in Illinois is Chicago, where the cost of living is 24.35% higher compared to the state average and 13.7% higher than in the rest of the U.S. The cheapest major city in Illinois is Decatur, with a cost of living being 14.7% lower compared to the state average and 22% lower than the national average.