Illinois marriage license, at a glance
- License fee
- $32–$60 (varies by county)
- Waiting period
- 24 hours (1 day)
- Witnesses
- None required
- License valid for
- 60 days
What you need to marry at a courthouse in Illinois: the license fee, waiting period, ID and witness rules. Last verified October 15, 2026 against official sources.

| Minimum age | 18 years old — 16- and 17-year-olds may marry with parental consent |
|---|---|
| Required identification | Both partners must appear together with valid identification that includes proof of age. |
| Who can perform the ceremony | A person of the clergy or a judge. Cook County judges marry couples at the Marriage and Civil Union Court, 119 W. Randolph St., Chicago. |
| Courthouse ceremonies | Yes. Cook County judges perform marriages and civil unions at the Marriage and Civil Union Court, 119 W. Randolph St., Chicago. |
Fees and procedures can differ by county. Always confirm with the clerk who will issue your license.
A printable PDF with the step-by-step process, a day-of timeline, a checklist and a budget sheet for Illinois.
The marriage license fee in Illinois is $32–$60 (varies by county).
The waiting period in Illinois is 24 hours (1 day).
Witnesses in Illinois: None required.
A marriage license in Illinois is valid for 60 days.
Every rule above comes from an official page. We check these pages again every month.
This is an informational guide, not legal advice. Confirm requirements with your county clerk.