How is the Amount of Child Support Determined in Illinois?

Kane County Divorce Attorneys Discuss Changes to Child Support Laws

In Illinois, the laws governing child support went through a significant change on July 1, 2017. Previously, the amount of child support was based on a percentage of the paying parent's net income. Illinois now uses an “income shares” model to determine child support that bases the amount to be paid on both parents' gross incomes. Under this model, the amount of support is meant to reflect the amount that the parents would typically have spent to care for their children while they were married, and this amount is divided between the parents based on the percentage share each parent contributes toward their combined income.

When calculating child support, a parent's income may include salary, commission, tips, overtime pay, retirement income, and workers’ compensation benefits. In addition, the new law allows for child support to be reduced in certain circumstances based on the number of days a child stays overnight with a parent each year. If both parents are responsible for at least 146 overnights per year (40% of the time), this is considered a "shared parenting arrangement." In these cases, child support payments will be adjusted based on each parent's actual percentage of overnights.

This new law may affect those who are already paying or receiving child support. To modify child support either upward or downward, it is necessary to show a substantial change in your, or the other party's, financial circumstances. Our divorce attorneys can help you understand whether there is merit to seek a modification for the amount you pay or receive.

Contact a St. Charles Divorce Attorney

If you are planning to divorce and have any questions regarding child support, or if you want to know about your options for modifying the child support you pay or receive, contact Goostree Law Group for a free consultation at 630-584-4800. With offices in St. Charles and Wheaton, IL, we assist divorcing parents in both Kane County and DuPage County.

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Goostree Law Group

Goostree Law Group

 555 S. Randall Road, Suite 200
St. Charles, IL 60174


 1770 Park Street, Suite 205
Naperville IL 60563


 400 S. County Farm Road, Suite 300
Wheaton, IL 60187


Our Illinois divorce attorneys represent clients in Kane County, DuPage County, Kendall County and DeKalb County, including Geneva, Batavia, St.Charles, Wayne, Wasco, Elburn, Virgil, Lily Lake, Aurora, North Aurora, Elgin, South Elgin, Bartlett, Crystal Lake, Gilberts, Millcreek, Maple Park, Kaneville, LaFox, Yorkville, Oswego, Plano, Sugar Grove, Big Rock, Bristol, Newark, DeKalb, Sycamore, Naperville, Wheaton, West Chicago, Winfield, Warrenville, Downers Grove, Lombard, Oak Brook, Streamwood, Hoffman Estates, Barrington, South Barrington, Lake Barrington, Schaumburg, Big Grove, Boulder Hill, Bristol, Joliet, Kendall, Lisbon, Minooka, Montgomery, Plainfield, Sandwich, Yorkville and many other cities.

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