Illinois Judgment Interest Rate
United States Illinois’ 9% statutory judgment rate.
→ All Illinois judgment & prejudgment interest rates
Current rate
9% per year — current statutory rate (official text verified July 11, 2026) Set by statute
Illinois judgments accrue interest at 9% per year under 735 ILCS 5/2-1303 — a flat statutory rate, simple interest, charged only on the unpaid portion of the judgment. The main exception: judgments against a unit of local government accrue 6%.
→ Calculate interest at this rate
→ See Illinois’s prejudgment interest rate (interest before judgment — different rules)
Statutory basis & carve-outs. Post-judgment interest at 9% per annum under 735 ILCS 5/2-1303 for general judgments — fixed by statute, computed as simple interest on the unsatisfied portion of the judgment. Carve-out: 6% per annum where the judgment debtor is a unit of local government. Verify against the statute; not legal advice.
Effective-date history
| Effective date | Rate | Basis |
|---|---|---|
| July 1, 2021 | 9% | Statute |
Source & provenance
Latest value retrieved July 11, 2026 (11:51 UTC) from the official source:
https://www.ilga.gov/legislation/ilcs/fulltext?DocName=073500050K2-1303
Reference data only — not legal, tax, or financial advice. Always confirm the controlling value
against the official source and, where applicable, the governing statute or court before relying on it.