Illinois Divorce Costs: 2026 Breakdown & Fee Guide
Detailed breakdown of divorce costs in Illinois including filing fees, attorney costs, and ways to reduce expenses.
Illinois Divorce Cost Breakdown
Divorce costs in Illinois vary significantly based on whether your case is contested and whether you hire an attorney. Here's what you need to know:
Illinois Filing Fees by County
Filing fees in Illinois vary by county. Here are the fees for major counties:
| County | Filing Fee |
|---|---|
| Cook County (Chicago) | $400 |
| DuPage County | $357 |
| Lake County | $357 |
| Will County | $357 |
| Kane County | $357 |
Attorney Fees in Illinois
Hourly Rates
$250 - $550 per hour
Average: $375/hour
Flat Fee (Uncontested)
$2,000 - $5,000
For simple, agreed divorces
Average Retainer
$5,000
Upfront deposit required
Cost Scenarios for Illinois
DIY Uncontested
Simple agreed divorce.
- Filing fee: $300-400
- Service fee: $50-100
- Copying: $25-50
Attorney-Assisted Uncontested
Attorney handles documents.
- Attorney flat fee: $2,000-5,000
- Filing fee: $357-400
- Court costs: $200-600
Contested Divorce
Litigated with disputes.
- Attorney fees: $10,000-30,000
- Court costs: $1,500-3,500
- Experts: $1,000-2,500
Additional Costs to Consider
| Item | Cost |
|---|---|
| QDRO preparation | $600 - $2,500 |
10 Ways to Reduce Divorce Costs in Illinois
Waive 6-month separation if both agree
DIY for simple cases
Use court-sponsored mediation programs
Limited scope representation for specific issues
Frequently Asked Questions About Illinois Divorce Costs
How much does it cost to file for divorce in Illinois?
Filing fees range from $357-400 in Illinois. Cook County (Chicago) charges $400. Total DIY costs are typically $350-550.
Ready to Start Your Divorce?
Whether you choose DIY or hire an attorney, understanding costs helps you budget effectively.