Illinois post-judgment interest rate
United States Illinois’ 9% statutory judgment rate.
→ All Illinois judgment & prejudgment interest rates
Fixed by statute
2026 Illinois post-judgment interest at a glance
- Current rate
- 9% per year
- Effective date
- July 1, 2021
- Controlling authority
- 735 ILCS 5/2-1303
- Rate basis
- Fixed by statute
- Source checked
- July 9, 2026
- Recorded history
- 1 data point
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)
Current recorded observation
| Effective date | Rate | Basis |
|---|---|---|
| July 1, 2021 | 9% | Statute |
Source & provenance
Observation recorded July 9, 2026 (00:00 UTC) from the cited source (Illinois General Assembly (official)):
https://www.ilga.gov/legislation/ilcs/fulltext?DocName=073500050K2-1303
Cite this page
StatuteRates. “Illinois Judgment Interest Rate.” StatuteRates.com. Accessed today. https://statuterates.com/rates/illinois-judgment-rate/ Rate recorded under 735 ILCS 5/2-1303, effective July 1, 2021.