Illinois Auto Insurance

Learn Illinois auto insurance requirements, why Chicago rates are higher, and how mandatory uninsured motorist coverage protects you. Get the coverage you need.

Talk through your options today

Call 1-800-INSURANCE
Published September 12, 2025

Key Takeaways

  • Illinois requires uninsured motorist coverage at $25,000/$50,000 limits, which is mandatory in addition to liability insurance—many states don't require this protection.
  • Chicago drivers pay significantly more than downstate Illinois drivers, with 2024 rates averaging $2,532 annually in Chicago versus $2,310 statewide due to higher theft and collision rates.
  • About 16% of Illinois drivers are uninsured despite the state's requirements, making your uninsured motorist coverage critical for financial protection.
  • The state's electronic verification system continuously monitors insurance coverage and can suspend your registration if your policy lapses, even between renewals.
  • Minimum coverage limits of 25/50/20 are often insufficient to cover damages in serious accidents, especially with today's vehicle repair and medical costs.

Quick Actions

Explore with AI

If you're driving in Illinois, you already know the roads can be unpredictable—from Chicago's congested expressways to rural routes where deer crossings outnumber traffic lights. What you might not know is that Illinois has some of the most consumer-protective auto insurance laws in the country, particularly when it comes to uninsured drivers. Here's what makes Illinois different and what you need to know to protect yourself without overpaying.

What Illinois Requires (And Why It's More Than Most States)

Illinois law mandates three types of coverage, not just the liability coverage most states require. You need bodily injury liability at $25,000 per person and $50,000 per accident, property damage liability at $20,000 per accident, and here's the kicker—uninsured motorist coverage at those same $25,000/$50,000 limits. That last requirement is unusual. Most states let you waive uninsured motorist coverage if you want to save money. Illinois doesn't give you that choice.

Why does Illinois make this mandatory? Because roughly 16% of drivers on Illinois roads don't have insurance despite it being required by law. That's about one in six drivers. If you get hit by someone without coverage, your uninsured motorist protection is what pays for your medical bills and lost wages. Without it, you'd be stuck suing an uninsured driver who probably can't pay anyway.

The state takes enforcement seriously too. Since 2020, Illinois has run an electronic verification system that checks your insurance status continuously and reviews active policies twice yearly. If your coverage lapses for any reason—you forgot to pay, your card declined, whatever—the system catches it. You'll get a notice, and if you don't fix it quickly, your registration gets suspended. This isn't a "maybe they'll catch you" situation. The system runs automatically.

Why Chicago Drivers Pay So Much More

Here's a frustrating reality for Chicago-area drivers: your insurance costs significantly more than someone living downstate, even if you have the exact same driving record. In 2024, the average annual premium in Chicago hit $2,532—that's about $200 more than the statewide average of $2,310. And Chicago rates spiked 34% in just one year, compared to 28% statewide.

The reason comes down to risk. Chicago experienced over 29,000 car thefts in 2023—more than triple the pre-pandemic numbers and an 11-year record high. More theft claims mean higher comprehensive coverage costs for everyone in the metro area. Add in higher collision rates from congested traffic, and insurers price Chicago zip codes accordingly. Meanwhile, downstate drivers in places like Peoria or Rockford pay substantially less because their main concern is hitting a deer, not getting their catalytic converter stolen in a Target parking lot.

The urban-rural divide creates a predictable pattern: the closer you are to Chicago, the more you pay. Suburbs in the collar counties fall somewhere in the middle. If you're moving within Illinois, your insurance rate will absolutely reflect your new address, sometimes dramatically.

The Uninsured Driver Problem (And Why Your Coverage Matters)

Let's talk about what happens when you get hit by someone without insurance. The at-fault driver is legally responsible for your damages, but if they don't have coverage and don't have assets to seize, that legal responsibility doesn't help you much. This is where your uninsured motorist coverage becomes crucial.

Your UM coverage pays for your medical expenses, lost wages, and pain and suffering when an uninsured driver causes an accident. It also covers hit-and-run situations where you never find out who hit you. The mandatory $25,000/$50,000 minimum provides some protection, but consider this: if you're seriously injured and rack up $75,000 in medical bills, that $25,000 per person limit leaves you $50,000 short. With 16% of Illinois drivers uninsured—and at least 12% of reported crashes involving uninsured motorists according to state data—this isn't a theoretical concern.

Many insurance professionals recommend carrying UM limits that match your liability limits. If you increase your liability coverage to $100,000/$300,000 (which is wise), you should also increase your uninsured motorist coverage to match. This ensures you're protected at the same level whether the person who hits you has insurance or not. Illinois law actually requires insurers to offer you underinsured motorist coverage if you buy UM limits above the minimum, giving you protection against drivers who have some insurance but not enough to cover your damages.

Why You Should Consider More Than Minimum Coverage

The 25/50/20 minimum limits sound adequate until you actually need them. Say you cause an accident that totals a newer SUV worth $40,000—your $20,000 property damage limit doesn't cover it, leaving you personally liable for the remaining $20,000. Or imagine injuring someone who needs surgery, physical therapy, and misses two months of work. Those bills can easily exceed $25,000, and anything above that limit comes out of your pocket. The other party can sue you for the difference, potentially garnishing your wages or putting liens on your property.

Increasing your limits to something like 100/300/100 typically doesn't cost as much as you'd think—often just $15-30 more per month. That extra coverage protects your assets and future earnings. If you own a home, have retirement savings, or expect to earn good money over your career, you have something to protect. Higher liability limits (or an umbrella policy) shield those assets from being seized in a lawsuit.

What Happens If You Drive Uninsured

Illinois doesn't mess around with uninsured drivers. If you're pulled over or involved in an accident and can't show proof of insurance, you're looking at a minimum $500 fine. That's the baseline. If your registration was already suspended because of a previous insurance lapse and you drive anyway, the fine jumps to $1,000. Your license can be suspended, your plates confiscated, and your car impounded.

Beyond the immediate penalties, driving without insurance creates long-term problems. Once you get caught, insurers label you high-risk, which means significantly higher premiums when you do get coverage—often for three to five years. You'll also need to file an SR-22 form, which is basically your insurance company telling the state they're monitoring you. Getting insurance with an SR-22 requirement costs more because you're flagged as someone who already broke the law.

How to Get the Right Coverage Without Overpaying

Shopping for Illinois auto insurance means balancing adequate protection with affordable premiums. Start by getting quotes from multiple insurers—rates vary wildly between companies for the same coverage. A driver paying $2,800 with one company might pay $1,900 with another for identical limits. Don't just look at the total price; make sure you're comparing the same coverage levels.

Ask about discounts you might qualify for: bundling home and auto insurance, good student discounts, safe driving records, anti-theft devices, or low annual mileage. Many insurers now offer usage-based programs where they monitor your driving through an app or device—if you drive safely and not too many miles, you can save 20-30%. If you're in Chicago dealing with high theft rates, ask specifically about comprehensive deductibles and anti-theft discounts.

Illinois's insurance requirements exist because accidents happen and too many drivers skip coverage. The mandatory uninsured motorist protection recognizes that reality and ensures you're not left holding the bag when an uninsured driver causes a crash. Whether you're navigating Chicago traffic or driving rural highways downstate, having the right coverage means you can handle whatever comes your way. Get quotes, compare your options, and make sure you're protected for more than just the legal minimum—your financial future depends on it.

Share this guide

Pass these insights along to coworkers or clients that need answers.

Questions?

Frequently Asked Questions

Why is car insurance so expensive in Chicago compared to downstate Illinois?

+

Chicago experienced over 29,000 car thefts in 2023—more than triple pre-pandemic levels—along with higher collision rates from dense traffic. These increased claim frequencies drive up premiums for everyone in the metro area. Downstate drivers face lower theft and collision risks, resulting in rates hundreds of dollars cheaper annually for comparable coverage.

Is uninsured motorist coverage really mandatory in Illinois?

+

Yes, Illinois requires all auto policies to include uninsured motorist bodily injury coverage at minimum limits of $25,000 per person and $50,000 per accident. You cannot waive this coverage like you can in many other states. This requirement exists because approximately 16% of Illinois drivers are uninsured despite the legal requirement to carry insurance.

What happens if my auto insurance lapses in Illinois?

+

Illinois uses an electronic verification system that continuously monitors insurance coverage. If your policy lapses, you'll receive a notice from the Secretary of State. Failure to reinstate coverage quickly results in registration suspension. Getting caught driving without insurance carries a minimum $500 fine, and driving with suspended registration from a prior violation increases the fine to $1,000.

Are Illinois's minimum coverage limits enough to protect me?

+

The 25/50/20 minimum limits are often insufficient for serious accidents. A single newer vehicle can easily cost more than $20,000 to replace, and medical expenses from injuries frequently exceed $25,000. If damages surpass your limits, you're personally liable for the difference. Most insurance professionals recommend at least 100/300/100 coverage or higher to adequately protect your assets.

Do I need underinsured motorist coverage in addition to uninsured motorist coverage?

+

Illinois law requires insurers to offer you underinsured motorist (UIM) coverage if you purchase uninsured motorist (UM) limits above the state minimum. UIM coverage protects you when an at-fault driver has some insurance but not enough to cover your damages. If you carry higher UM limits, adding UIM coverage is strongly recommended since many drivers carry only minimum liability limits.

How can I lower my Illinois auto insurance rates without sacrificing coverage?

+

Shop and compare quotes from multiple insurers, as rates vary significantly between companies for identical coverage. Ask about all available discounts including bundling policies, good student rates, safe driving records, anti-theft devices, and usage-based insurance programs. Increasing your deductibles can also lower premiums while maintaining the same liability protection limits.

We provide this content to help you make informed insurance decisions. Just keep in mind: this isn't insurance, financial, or legal advice. Insurance products and costs vary by state, carrier, and your individual circumstances, subject to availability.

Need Help?

Have questions about your coverage?

Our licensed insurance agents can help you understand your options, explain confusing terms, and find the right policy for your needs.

  • Free personalized guidance
  • No obligation quotes
  • Compare multiple options
  • Plain English explanations

Ready to Get Protected?

Our licensed agents are ready to help you find the right coverage at the best price.