Child support is one of the most contentious issues in family law , and Illinois child support issues are no exception. When dealing with Illinois child support, it is best if you have a good Illinois child support attorney to help you. But there are also some things which you can and need to know right up front about child support in Illinois, and the Illinois child support laws. While many people don't realize it, most state child support laws are fairly fixed, and don't take into account such things as what your or your ex's actual child-related expenses are. The child support laws of most states look at only a few factors, and you may find that your Illinois child support award takes into account only: How much you earn How much your ex earns How many children you have; and What percentage of time the children are under each parent's care and control Sometimes, although not often, a court will consider expenses which it may consider extraordinary,