Illinois lawmakers passed a substantial revision to the state’s child support statute this year. The changes take effect January 1, 2027, and they affect nearly every stage of a support case, from initial calculations to later modifications. Parents who are divorcing, establishing parentage, or already under a support order should understand what is changing and why.
What the New Law Does
The legislation amends the Illinois Marriage and Dissolution of Marriage Act and does not replace the state’s income-shares model. Instead, it refines several pieces of that model. Governor Pritzker signed the bill into law this summer, and courts across Illinois will begin applying it to new and modified orders once it takes effect.
Protection for Low-Income Parents
One of the more meaningful updates raises the income threshold for the minimum support obligation. More parents earning near the poverty line will now qualify for reduced, minimum-level support rather than the standard guideline calculation. The law also keeps in place a presumption of a zero-dollar order for parents who:
- Have no income
- Receive only means-tested public benefits
- Cannot work due to a documented disability, incarceration, or institutionalization
A More Graduated Shared Parenting Formula
Parents who share at least 110 overnights per year will see a new, tiered adjustment rather than a single flat formula. This better reflects that parenting schedules vary widely and are not simply equal or unequal.
Clearer Standards for Modifications
The amended law also states that a foreseeable future event does not automatically block a request to modify support, unless the original agreement or order specifically says otherwise. This should reduce disputes over whether a job change or similar life event qualifies as a substantial change in circumstances.
What This Means for Wilmette Families
Anyone searching for a Wilmette, IL child support lawyer should know that these changes apply statewide, not just in Cook County’s larger courts. A child support lawyercan help determine how the new thresholds, shared parenting adjustments, and modification standards apply to a specific case. Because these provisions interact with existing custody arrangements, many families also benefit from guidance on the custody side.
Hurst, Kay, Allen & Stambler, LLC has been following this legislation closely as it moved through the General Assembly and into law. Our attorneys are prepared to walk clients through how it may affect an existing order or an upcoming filing.
These changes will not automatically modify existing support orders once the law takes effect. Parents who believe their case may be affected should speak with an attorney now to prepare before January 1, 2027 arrives.
