Illinois Just Passed a Bill to Regulate Car Insurance Rates — What 14 Million Drivers Need to Know

The Illinois House voted 66-40 on March 19, 2026 to pass Senate Bill 1486, a landmark measure that would — for the first time — give the Illinois Department of Insurance authority to review and reject auto and homeowners insurance rates it finds excessive, inadequate, or unfairly discriminatory. The bill now heads to the Illinois Senate before going to Gov. JB Pritzker, who originally championed the legislation.

If enacted, Illinois would join more than 47 other states with some form of insurance rate oversight, ending the state's status as one of the last regulatory holdouts in the country. For the roughly 14 million drivers in Illinois, it's the biggest shift in auto insurance policy in decades — though real changes won't take effect until July 1, 2027.

Why This Bill Exists: State Farm's 27.2% Bombshell

The legislation traces directly to a single announcement: State Farm, the largest insurer in Illinois, told regulators it was raising auto insurance rates an average of 27.2% across the state. For a driver paying $160 a month — roughly the Illinois average — that's nearly $35 more per month, or more than $400 a year.

Gov. Pritzker didn't stay quiet. He publicly questioned whether State Farm was legitimate in citing Illinois weather losses as justification, and accused the company of "cost-shifting" — essentially padding Illinois rates to offset disaster losses the company incurred in other states. The bill specifically targets this practice, requiring insurers to use "credible, state-specific" data when setting rates whenever that data is available.

"Illinois families are already facing an affordability crisis with property taxes, gas, grocery, and utility bills all rising," said the Illinois Insurance Association, American Property Casualty Insurance Association, and National Association of Mutual Insurance Companies in a joint statement after the House vote.

The controversy also shined a light on a little-known fact: Illinois has had virtually no insurance rate regulation at all. Unlike the vast majority of states, Illinois law contains no prohibition against excessive, inadequate, or unfairly discriminatory insurance rates. Insurers could raise rates as much as they wanted, whenever they wanted, with no advance notice required and no state authority to push back.

What SB 1486 Actually Does — and When

The bill has two major components. First, it immediately prohibits insurance companies from charging rates that are "excessive, inadequate, or unfairly discriminatory" — language that mirrors what most other states already have on the books. Second, starting July 1, 2027, it gives the Illinois Department of Insurance new enforcement tools:

• 60-day notice requirement: Insurers must give consumers at least 60 days' notice before raising premiums by 10% or more
• Rate review authority: The Department of Insurance can review new rate filings after they take effect
• Rejection power: If regulators find rates excessive, they can reject the filing after an administrative hearing
• Rebate authority: Companies could be ordered to refund consumers for any excessive premiums already collected
• Cost-shifting ban: Insurers must use Illinois-specific data in rate calculations when it's available

Rep. Thaddeus Jones, D-Calumet City, the bill's chief House sponsor, framed it plainly during floor debate: "This legislation is important to home and car owners of Illinois who are struggling with increasing insurance rates," he said.

How Illinois Compares to Other States

Most Illinois drivers don't realize just how unusual their state's situation has been. Nearly every other state has some version of rate oversight — what insurance regulators call "prior approval" or "file and use" systems.

California has the strictest rules in the country. Under Proposition 103, passed by voters in 1988, insurers must receive prior approval from the state Insurance Commissioner before any rate change takes effect. New York and Florida operate under similar prior-approval frameworks. SB 1486 would move Illinois to something closer to the "file and use" model used by most states — companies can still implement rate changes immediately, but the state now has authority to review and reject them after the fact.

The bill also addresses a separate but related issue that Secretary of State Alexi Giannoulias had championed: the use of factors like credit scores to set auto insurance rates. Giannoulias argued that basing rates on credit — rather than driving history — disadvantages low-income and minority drivers who may have clean records but lower credit scores. While the bill's primary focus is on rate review authority, the credit-scoring issue remains part of the broader policy conversation in Springfield.

Industry Pushback: Will This Make Things Worse?

The insurance industry isn't going quietly. Three major trade groups — the Illinois Insurance Association, the American Property Casualty Insurance Association, and the National Association of Mutual Insurance Companies — issued a scathing joint statement calling the bill "one of the most sweeping and harmful insurance regulatory overhauls in state history."

Their argument: adding regulatory hurdles will cause insurers to exit Illinois or become more conservative in writing policies, which reduces competition and ultimately drives prices higher. They point to states like California, where heavy regulation has been blamed for some major carriers leaving the homeowners market in recent years.

Rep. Jeff Keicher, R-Sycamore, who works as an insurance agent, said the bill was an improvement over earlier versions but argued it misses the real drivers of higher premiums — increasing catastrophic weather events and fraud. "Those storm chasers are driving additional insurance claims and additional costs," he said. Keicher and several other lawmakers with ties to the insurance industry abstained from voting on the bill.

What Illinois Drivers Should Do Now

What Happens Next

SB 1486 now moves to the Illinois Senate. As of late March 2026, it was not immediately clear how quickly Senate leaders would schedule a vote — and the insurance industry will likely lobby hard to defeat or significantly amend the bill in the upper chamber.

If the Senate passes the bill and Pritzker signs it, Illinois drivers should watch for two key dates: the law's immediate prohibition on excessive rates (effective on signing) and the full regulatory framework taking effect July 1, 2027. In the meantime, shopping your policy remains the most effective tool available to you right now.

Frequently Asked Questions