Illinois

Family Law Statutes

Illinois Family Law Overview

Illinois family law is governed primarily by the Illinois Marriage and Dissolution of Marriage Act (750 ILCS 5). Illinois uses the terms 'allocation of parental responsibilities' for custody decisions and 'parenting time' for visitation. Major 2016 reforms modernized Illinois family law to focus on the best interests of the child.

Disclaimer: The links below lead to official state government and legal reference websites. This information is provided for educational purposes only and does not constitute legal advice. Laws change frequently – always verify current statutes and consult a licensed family law attorney in Illinois for advice specific to your situation.

Key Family Law Statutes

Illinois Marriage and Dissolution of Marriage Act – 750 ILCS 5
Illinois's primary family law act covering dissolution, parental responsibilities, parenting time, and support.
750 ILCS 5/401–5/413 – Dissolution of Marriage
Grounds for dissolution, legal separation, and property division.
750 ILCS 5/600–5/614 – Allocation of Parental Responsibilities (Custody)
Allocation of parental responsibilities, parenting time plans, and relocation.
750 ILCS 5/505–5/510 – Child Support
Child support guidelines and income shares model.
Uniform Child Custody Jurisdiction and Enforcement Act – 750 ILCS 36
Interstate child custody jurisdiction and enforcement (UCCJEA).
Illinois Parentage Act – 750 ILCS 46
Establishment of parentage and related parental rights.