2023 Data

Divorce Statistics in Illinois

Last updated: February 28, 2026 · Reviewed every 3 months · 2023 data

Key Divorce Statistics for Illinois (2023)

Divorce Rate

1.2 per 1,000

Marriage Rate

5.1 per 1,000

Annual Filings

19,000

Median Cost (Uncontested)

$3,000

Median Cost (Contested)

$12,500

Median Attorney Hourly Rate

$350/hr

Median Duration

10 months

Family Law Attorneys

1,009

Attorneys per 100K Population

7.9

Population

12,710,158

Marriage vs. Divorce Rate (2023)

Rates per 1,000 population — 2023 data

Divorce Cost Comparison

Median attorney hourly rate:$350/hr

US Divorce Rate Trend (10-Year)

2013

3.30

2022

2.40

Change

-0.90

Illinois vs. National Average

Comparison of Illinois divorce statistics against national averages
Metric	Illinois	National Avg	Comparison
Divorce Rate (per 1,000)	1.2	2.4	50% lower
Median Uncontested Cost	$3,000	$7,500	60% lower
Median Contested Cost	$12,500	—	—
Median Duration (Months)	10	11	9% lower
Attorneys per 100K	7.9	—	—

Data Sources & Methodology

Statistics shown reflect 2023 data from the following sources. Attorney counts are computed from our verified directory database.

CDC NCHS Stats of the States — Illinois (2023)
CDC NVSS State Divorce Rates 2000–2023 (2023)
CDC NVSS State Marriage Rates 2000–2023 (2023)
U.S. Census Bureau Population Estimates (2024)
CDC NCHS Number, Timing, and Duration of Marriages and Divorces (2021)
Illinois Courts Annual Report (2023)

Methodology

Rates calculated per 1,000 population using Census population estimates. Cost figures represent median values from attorney surveys and court fee schedules. All data verified against primary .gov sources where available.