Complete the on-line application for free child support services if you live in Illinois and the dependent child(ren) lives with you. Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts.The formulas used to calculate child support consider the combined income of both parents. A DuPage County, IL divorce attorney can help you determine whether child support and alimony will be a part of your divorce agreement. Our San Jose family lawyers provide a wide range of services, including child and spousal support. The Child Support Application is available for download in Portable Document Format (PDF). It can then be filled out on your computer. Generally, a new spouse's income is not considered when calculating the parent's net income for child support purposes. When a married couple gets a divorce, the court may award "alimony" or spousal support to one of the former spouses. If your parents are separated or divorced, each parent should fill out the calculator with their own information.