ILLINOIS
Illinois Divorce Statistics 2025
Comprehensive divorce data for the sixth most populous state in the nation
State Divorce Rate
1.8per 1,000
Annual Filings
32,000
Average Duration
8.8years
Median Cost
$13,800
Divorce Filings by County
| County | Annual Filings | Rate per 1,000 |
|---|---|---|
| Cook County (Chicago) | 24,500 | 2.1 |
| DuPage County | 4,200 | 1.8 |
| Lake County | 3,100 | 1.7 |
| Will County | 2,800 | 1.9 |
| Kane County | 2,100 | 1.8 |
| McHenry County | 1,400 | 1.6 |
| Winnebago County (Rockford) | 1,350 | 2 |
| Madison County | 1,200 | 1.9 |
Illinois Divorce Facts
- Illinois is an equitable distribution state
- 90-day residency requirement before filing
- No-fault divorce only (irreconcilable differences)
- No mandatory waiting period after filing
- Joint simplified dissolution available for qualifying couples
Cost Breakdown
Filing Fees
$289-$388
Uncontested (no attorney)
$1,800-$3,500
Mediated Divorce
$5,500-$9,000
Contested (with attorneys)
$14,000-$50,000+
Divorcing in Illinois?
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