Alimony in Rockford: how it is calculated
Alimony in Rockford follows Illinois law, not a local rule — the same statute applies whether the case is filed in Winnebago County or anywhere else in the state. Here is what that formula produces, and where a Rockford case is actually heard.
Where a Rockford case goes
A divorce filed in Rockford is heard by the Illinois court for Winnebago County. The judge applies the state statute below; the county sets the filing procedure, not the amount. Rockford has about 147,486 residents (Census Bureau, 2024 estimate).
Open the full Illinois alimony calculator → — same formula, with every input, the statute (750 ILCS 5/504(b-1)) and the date it was last checked.
Formula
33⅓% payer − 25% recipient (net)
Type
Post-divorce maintenance (statutory formula)
Does Rockford have its own rule?
No. 750 ILCS 5/504(b-1) applies across Illinois, so a case from Rockford is decided by the same numbers as one filed anywhere else in the state. What changes locally is the courthouse, the clerk's procedure and how long the docket takes — not the amount.
What the statute says
750 ILCS 5/504(b-1) — Illinois Marriage and Dissolution of Marriage Act, Section 504.
Last checked 2026-08-27. Read the source →
Also for Rockford
Other Illinois cities
Chicago · Aurora · Naperville · Joliet · Elgin · Springfield · Peoria · Champaign · Waukegan · Cicero · Bloomington · Schaumburg
Everything StateTally tracks for Illinois → · Alimony in every city →