Illinois Car Insurance: Requirements, Rates, and Best Companies
Illinois has moderate car insurance rates compared to the national average, with Chicago driving up costs for urban drivers. The state's at-fault system and relatively low minimum requirements make it important to understand your coverage options.
This guide covers Illinois auto insurance requirements, costs, laws, and money-saving strategies.
Illinois Minimum Insurance Requirements
Mandatory Coverage
Illinois requires liability insurance:
| Coverage | Minimum Required |
|---|---|
| Bodily injury per person | $25,000 |
| Bodily injury per accident | $50,000 |
| Property damage per accident | $20,000 |
| Uninsured motorist bodily injury | $25,000/$50,000 |
Commonly written as: 25/50/20 with uninsured motorist
State Minimum Car Insurance: Is It Enough?
Uninsured Motorist Coverage
| Aspect | Details |
|---|---|
| Required | Yes |
| Can reject | Only if rejected in writing |
| Why important | 11.8% of Illinois drivers are uninsured |
Recommended Additional Coverage
| Coverage | Recommended Amount | Why |
|---|---|---|
| Bodily injury liability | $100,000/$300,000 | Medical costs exceed minimums |
| Property damage liability | $100,000 | Urban accidents are costly |
| Underinsured motorist | $100,000/$300,000 | Fills gap when at-fault driver has low limits |
| Comprehensive | $500 deductible | Weather, theft |
| Collision | $500 deductible | Chicago traffic |
Average Illinois Car Insurance Rates
By City
| City | Average Annual Premium | vs. State Average |
|---|---|---|
| Chicago | $2,000 | +33% |
| Aurora | $1,400 | -7% |
| Rockford | $1,350 | -10% |
| Joliet | $1,450 | -3% |
| Naperville | $1,300 | -13% |
| Springfield | $1,250 | -17% |
| State average | $1,500 | Baseline |
By Age
| Age | Average Annual Premium |
|---|---|
| 16–19 | $4,800 |
| 20–29 | $2,000 |
| 30–39 | $1,350 |
| 40–49 | $1,250 |
| 50–59 | $1,200 |
| 60+ | $1,250 |
Illinois-Specific Insurance Laws
At-Fault State
Illinois is an at-fault (tort) state with modified comparative negligence:
| Fault Rule | Details |
|---|---|
| Modified comparative negligence | Can recover if less than 51% at fault |
| Barred at 51% | If 51% or more at fault, recover nothing |
| Proportionate responsibility | Recovery reduced by fault percentage |
Mandatory Insurance Verification
Illinois uses electronic insurance verification:
| System | How It Works |
|---|---|
| Random verification | State randomly checks insurance status |
| Registration checks | Insurance verified at registration renewal |
| Penalties | Fines and suspension for non-compliance |
Penalties for Driving Without Insurance
| Offense | Penalty |
|---|---|
| First offense | $500–$1,000 fine, license suspension |
| Subsequent offenses | $1,000+ fine, license suspension 4 months |
| Reinstatement fee | $100 |
| SR-22 | Required for 3 years |
Best Car Insurance Companies in Illinois
By Category
| Category | Best Company | Why |
|---|---|---|
| Cheapest overall | Pekin Insurance | Illinois-based, competitive rates |
| Best customer service | USAA | Top ratings (military only) |
| Best for Chicago | State Farm | Strong urban claims handling |
| Best for bundling | Allstate | Multi-policy discounts |
| Best digital experience | GEICO | Excellent online tools |
| Best for high-risk | The General | Accepts most drivers |
Average Rates by Company
| Company | Average Annual Premium |
|---|---|
| Pekin Insurance | $1,100 |
| GEICO | $1,200 |
| State Farm | $1,300 |
| Progressive | $1,400 |
| Allstate | $1,500 |
| Farmers | $1,600 |
How to Save on Illinois Car Insurance
Illinois-Specific Strategies
| Strategy | Potential Savings |
|---|---|
| Pekin Insurance (regional) | 10–20% |
| Defensive driving course | 5–10% |
| Multi-policy discount | 10–25% |
| Good student discount | 5–25% |
| Anti-theft device | 5–15% |
General Strategies
- Shop around every 2–3 years
- Increase deductibles to $1,000
- Maintain continuous coverage
- Drive a safe, used vehicle
- Bundle home and auto policies
- Consider telematics programs
How to Lower Car Insurance Premiums: 20 Proven Strategies
FAQ
Is Illinois a no-fault state?
No. Illinois is an at-fault state. The driver who causes an accident is responsible for damages. Illinois uses modified comparative negligence — if you're less than 51% at fault, you can recover damages reduced by your percentage of fault.
What happens if I drive without insurance in Illinois?
Penalties include a $500–$1,000 fine for first offense with license suspension, $1,000+ fine for subsequent offenses with 4-month license suspension, $100 reinstatement fee, and SR-22 requirement for 3 years.
Does Illinois require uninsured motorist coverage?
Yes. Illinois requires uninsured motorist bodily injury coverage of $25,000/$50,000. You can only reject it in writing. With 11.8% of Illinois drivers uninsured, experts recommend keeping this coverage.
What is underinsured motorist coverage?
Underinsured motorist coverage protects you when the at-fault driver has insurance but not enough to cover your damages. It's not required in Illinois but is highly recommended, especially given the state's minimum limits.
How does Chicago weather affect insurance?
Chicago's harsh winters increase accident rates, leading to higher premiums in the metro area. Comprehensive coverage is important for protection against hail, flooding, and falling ice/tree branches.
Conclusion
Illinois car insurance is reasonably priced outside Chicago, with the city driving up state averages. The state's mandatory uninsured motorist coverage provides important protection, but higher liability limits are strongly recommended.
Key takeaways:
- Minimum: 25/50/20 + uninsured motorist
- Average premium: $1,500/year
- Chicago is 33% more expensive than state average
- At-fault state with modified comparative negligence
- Uninsured motorist coverage is mandatory
- Pekin Insurance offers competitive regional rates
- Shop around — rates vary by $500+ between companies
State Minimum Car Insurance: Is It Enough?