The average monthly cost for car insurance in Illinois is $80 for liability-only insurance and $152 for full coverage. That’s lower than the national average of $103 for liability-only coverage and $182 for full coverage.
The lower rates could be due to multiple factors, such as Illinois’ below-average number of fatal crashes or the relatively minimal number of natural disasters that affect Illinois drivers. That said, average rates have increased in Illinois and throughout the country during the past two years.
Here’s what you should know about average car insurance costs in Illinois, including how to compare quotes.
Chicago drivers pay the highest average rates in Illinois, while Decatur residents pay the lowest.
The average cost of full-coverage insurance in Illinois increased by 18% between 2023 and 2024.
Annually, Illinois drivers pay $963 for liability coverage and $1,821 for full-coverage insurance.
How much is car insurance in Illinois?
Prairie State drivers who purchase liability-only insurance pay an average monthly premium of $80, or an annual rate of $963. That average jumps to $152 per month, or $1,821 per year, for full coverage, which includes collision and comprehensive insurance.
Keep in mind that the rate you qualify for may be higher or lower than the state average. But comparing your quotes to that figure can help you determine whether you need to take further steps to save money.
How Illinois car insurance rates have changed over the past two years
To find car insurance rates in Illinois and the U.S. over the last two years, download our data here.
The average price for full-coverage car insurance in Illinois rose to $2,000 in 2024, up significantly over rates from just a few years ago. Full-coverage rates also rose nationally, though they remain more expensive than in Illinois.
See how Illinois car insurance prices have changed over the past two years below.
Average Illinois car insurance rates by city
Where you live can have a significant influence on your insurance premiums. In particular, drivers in different cities — or even ZIP codes — may face different accident, vehicle theft, and vandalism rates. If you live in an urban area, for example, you’ll generally pay more for car insurance than drivers in rural areas.1
Here’s a quick look at how auto insurance rates vary within the state of Illinois.
Average Illinois car insurance rates by age and gender
Age and gender are two more factors that can affect what you pay for car insurance. For example, men typically have more car accidents than women, which results in higher average rates.
Additionally, younger drivers — particularly teenagers — usually have more accidents than older drivers with more experience. As a result, teen drivers are more expensive to insure.
Below, you can find average rates in Illinois by gender and age group.
Average cost to insure popular vehicles in Illinois
Because different makes and models have varying repair costs, theft rates, safety records, and other features, drivers pay more to cover certain vehicles compared to others.
Here’s a look at the five most popular vehicles in the Prairie State and the average cost for a full-coverage insurance policy.
How your driving record affects car insurance rates in Illinois
While many broad risk factors can influence your monthly rate, your driving record is one factor within your control. Certain incidents — such as an accident, a speeding ticket, or driving under the influence (DUI) conviction — can result in a significant rate increase compared to drivers with clean records.
Below, you can compare average monthly full-coverage rates for a sample driver profile with an incident on their record versus average full-coverage rates for drivers without infractions.
Illinois is one of many U.S. states that allow insurers to use a credit-based insurance score to help determine your rate. But insurance companies can’t use your credit as the only factor to decide what you pay.2
Here’s a better look at how your credit standing can influence average rates for coverage.
Disclaimer: Table data sourced from real-time quotes from Insurify's 500+ partner insurance providers. Actual quotes may vary based on the policy buyer's unique driver profile.
How to lower your insurance costs in Illinois
Understanding what insurers consider when determining your rates can give you an advantage as you seek to maximize your savings on an insurance policy. Whether you’re looking for just the Illinois minimum required coverage or you want more protection, here are some tips to help you earn a better rate:
Illinois average car insurance cost FAQs
The following information can help answer your remaining questions about car insurance in the Prairie State.
On average, Illinois drivers pay an annual premium of $963 for liability-only insurance and $1,821 for full coverage.
Keep in mind that your actual rate will depend on several variables — such as your location, driving record, driving habits, vehicle, age, gender, credit history, and coverage amounts.
Auto-Owners offers the least expensive rates for Illinois drivers. On average, the insurer charges $49 per month for liability-only insurance. But it’s a good idea to compare quotes to ensure you get cheap car insurance.
The average monthly premium for Illinois residents is $80 for liability-only coverage and $152 for full coverage.
The best car insurance companies in Illinois include State Farm, Auto-Owners Insurance, USAA, Allstate, and COUNTRY Financial, according to Insurify research.
Illinois minimum coverage includes both bodily injury and property damage liability coverage. The Illinois state minimum includes bodily injury liability coverage of $25,000 per person and $50,000 per accident, as well as $20,000 in property damage coverage.4