Car insurance in Ohio
Minimum limits, fault rules and the largest insurers in Ohio, from the Ohio Department of Insurance and the NAIC.
Updated October 31, 2026
Largest car insurers in Ohio
Share of private car insurance premiums written in Ohio (NAIC, 2025).
| # | Company | Market share | Review |
|---|---|---|---|
| 1 | State Farm | 21.8% | Review |
| 2 | Progressive | 21.5% | |
| 3 | Allstate | 11.6% | |
| 4 | GEICO | 6.5% | Review |
| 5 | Erie Insurance | 4.8% | Review |
| 6 | Grange Insurance | 3.8% | |
| 7 | USAA | 3.6% | Review |
| 8 | Nationwide | 3.2% | |
| 9 | Liberty Mutual | 3.0% | |
| 10 | Auto-Owners Insurance | 2.3% |
What Ohio law requires
Ohio is a financial-responsibility state: before you drive, you have to be able to show you can pay for the damage you cause. Nearly everyone does that with a standard auto liability policy.
The minimum liability limits are:
| Coverage | Minimum |
|---|---|
| Bodily injury, per person | $25,000 |
| Bodily injury, per crash | $50,000 |
| Property damage, per crash | $25,000 |
These limits pay other people — their injuries and their property — when you are at fault. They pay nothing toward your own injuries, your own car, or a rental while yours is in the shop.
What Ohio does not require:
- No personal injury protection (PIP). Ohio has no no-fault medical benefit built into the policy.
- No uninsured or underinsured motorist (UM/UIM) coverage. Since a 2001 change to R.C. 3937.18, UM/UIM is optional. An insurer may include it, but the law no longer forces it into your policy.
Keep proof of insurance with the vehicle and be ready to produce it at a traffic stop, after a crash, or when the Bureau of Motor Vehicles asks. Letting coverage lapse is a licensing problem as well as a financial one, so check the BMV's current reinstatement rules before you let a policy drop.
The 25/50/25 floor is a legal minimum, not a recommendation. One hospital stay or one late-model SUV can blow past $25,000, and anything above your limit is a bill with your name on it.
Fault and how claims actually work
Ohio is an at-fault (tort) state. The driver who caused the crash — through their insurer — is responsible for the resulting injuries and damage. There is no no-fault medical pot to draw from first.
That gives you two broad routes after a collision:
- Claim against the other driver's insurer (a third-party claim). You are a stranger to that company; it owes its duties to its own policyholder, and it will investigate fault before it pays anything. Payment is usually a single settlement covering repairs, medical bills, lost wages and pain and suffering, and you sign a release when you take it.
- Claim on your own policy (a first-party claim). If you carry collision, comprehensive, medical payments or UM/UIM, your own insurer pays under your contract regardless of who is sorting out blame, then pursues the at-fault insurer itself. This is almost always faster. You pay your deductible up front; if your insurer recovers from the other side, your deductible normally comes back to you in proportion to what it recovers.
Practical steps at the scene and after:
- Call police and get the report number; an independent report matters a great deal when fault is contested.
- Photograph both vehicles, the positions, the road, skid marks, signage and any visible injuries.
- Collect the other driver's name, policy number, insurer and plate — and the names of any witnesses, who vanish quickly.
- Report the crash to your own insurer promptly even if you believe the other driver was entirely at fault. Late notice is a classic reason claims get fought.
- Get medical attention early. Gaps between the crash and the first treatment are the first thing an adjuster points at.
Fault in Ohio is apportioned, not all-or-nothing: an adjuster or a court can decide each driver carries a share, and your recovery is reduced by your own share. Blame is frequently split 70/30 or 80/20 rather than assigned cleanly, so do not assume a disputed claim means you get nothing.
Optional cover that is worth the money
Because Ohio requires so little, the useful part of your policy is almost entirely optional.
Uninsured and underinsured motorist (UM/UIM). The single most valuable add-on in an at-fault state with no PIP. If the at-fault driver has no insurance, can't be identified (a hit-and-run), or carries only 25/50/25 against serious injuries, UM/UIM is what stands between you and an unpaid bill. Read R.C. 3937.18 before you buy, because Ohio's version has sharp edges described in the next section.
Medical payments (MedPay). Small, cheap, no-fault-style coverage that pays your and your passengers' medical bills quickly, without waiting for anyone to admit blame. It fills the gap PIP would fill in other states and can cover health-insurance deductibles and co-pays.
Collision and comprehensive. Collision repairs your car in a crash; comprehensive covers theft, hail, flood, fire, vandalism and the deer that Ohio's rural roads are full of. Required by any lender or lessor. These two are what make the national average premium cited below look the way it does.
Higher liability limits. Moving from the minimum to a substantially higher limit is usually the best value on the page, because the expensive part of a policy is the first dollar of coverage, not the last. An umbrella policy sitting on top of auto and home limits is the next step up.
Gap coverage if you owe more than the car is worth, rental reimbursement if being without a vehicle would be a crisis, and roadside assistance if you don't already have it through a motor club or credit card.
Rules and fine print Ohio drivers trip on
UIM in Ohio is offset, not stacked on top. Under R.C. 3937.18, underinsured motorist coverage in Ohio "is not and shall not be excess coverage" to the at-fault driver's liability coverage, and your UIM limit is reduced by the amounts available from the liability policies of those responsible. So if you buy UIM at the same level as your liability limits and the at-fault driver carries exactly those limits too, your UIM may pay nothing at all. If you want UIM to do real work, it has to be set meaningfully higher than the limits you expect the other driver to carry.
There may be a three-year clock on UM/UIM claims. The statute lets a policy require that a UM/UIM claim or suit be made within three years of the date of the accident (or within one year after the at-fault driver's insurer goes insolvent, whichever is later). That is a contract deadline separate from any court deadline for suing the other driver — missing it can end the claim.
Anti-stacking is allowed. Policies may bar combining the UM/UIM limits of two cars, two policies or two family members. Owning three insured cars does not automatically triple the protection.
UM/UIM exclusions are permitted. The statute expressly allows insurers to exclude injuries suffered while you are driving a vehicle that is owned by, furnished to, or regularly available to you or a household relative but not listed on the policy — the so-called owned-but-unlisted-vehicle trap. It also allows exclusions where the driver had no reasonable belief they were entitled to drive the car, and where the at-fault driver is a person specifically excluded from liability coverage on that same policy.
Named-driver exclusions. If a household member with a bad record was excluded to lower the price, that exclusion is real. A crash with them behind the wheel can leave you with no coverage at all.
Credit-based insurance scores are permitted in Ohio. Insurers may use a credit-based score as one rating factor, which is why two drivers with identical records and identical cars can be quoted very differently. Correcting errors on your credit file can matter as much as a clean driving record.
Everyone living in the house counts. Household members and anyone who regularly borrows the car should be listed. Unlisted regular drivers are a common reason a claim gets scrutinised.
What it costs, in context. The only price figure worth quoting is a neutral one: the NAIC put the average combined premium for liability, collision and comprehensive at $1,038 per insured vehicle in 2023 (precisely $1,037.61), nationally. Ohio drivers often pay less than national averages, but your own number depends on your ZIP code, vehicle, mileage, record and credit. Get several quotes at identical limits and deductibles — comparing a minimum-limits quote against a well-built policy tells you nothing.
If something goes wrong: complaining to the regulator
Auto insurers and agents doing business in Ohio are licensed and supervised by the Ohio Department of Insurance — insurance.ohio.gov. The department's consumer services staff handles complaints about how an insurer behaved.
Before you complain, exhaust the insurer. Ask for the claim decision and the specific policy language it rests on in writing. Escalate to a supervisor or the company's formal complaint process. Many disputes are resolved at this stage, and a written denial is exactly what the regulator will want to see.
Then file with the Department. Complaints can be submitted through the department's website. Have these ready:
- Your name, contact details and policy number
- The insurer's name and the claim number
- The date of the crash or loss
- A short, factual timeline — who said what, and when
- Copies of the denial letter, estimates, emails and the relevant policy pages
The department will typically take the complaint to the insurer, require a response, and review whether the company followed Ohio law and the terms of its own policy. It can act on unfair claims practices, unlicensed activity, unreasonable delay and improper cancellation or non-renewal.
What a regulator can't do: it does not act as your lawyer, it does not decide who was at fault in a crash, and it does not award damages or settle a genuine factual dispute over the value of an injury. Those belong to negotiation, mediation or a court. A complaint is still worth filing — it is free, it creates a record, and it frequently produces a straight answer that months of phone calls did not.
If the dispute is about money rather than conduct — how much the injury is worth, or who hit whom — talk to an attorney, and watch the deadlines, including any three-year UM/UIM claim clock in your own policy.
Good to know in Ohio
- Since a 2001 change to R.C. 3937.18, uninsured and underinsured motorist coverage is optional in Ohio; insurers may include it but the law no longer forces it into the policy. Source
Questions
What is the minimum car insurance I must carry in Ohio?
Liability coverage of $25,000 per person and $50,000 per crash for bodily injury, plus $25,000 per crash for property damage. That is the legal floor only — it pays other people's losses, not yours, and a serious injury claim or a newer vehicle can exceed it easily.
Does Ohio require uninsured or underinsured motorist coverage?
No. Since a 2001 change to R.C. 3937.18, UM and UIM coverage is optional in Ohio. An insurer may offer or include it, but the law no longer writes it into every policy. Most drivers should still buy it, because nothing else in a minimum Ohio policy pays for your own injuries when the other driver is uninsured, unidentified or carrying only the minimum.
Is Ohio a no-fault state?
No. Ohio is an at-fault state, and PIP is not required. The driver who caused the crash is responsible for the damage, so you either claim against their insurer or claim on your own collision, MedPay or UM/UIM coverage and let your insurer chase them.
Why might my UIM coverage pay nothing even though I bought it?
Because Ohio UIM is offset rather than added on top. R.C. 3937.18 says UIM is not excess coverage, and your limit is reduced by the amounts available from the at-fault driver's liability policy. If your UIM limit matches what the other driver carries, the offset can wipe it out. Buy UIM at a limit well above the minimums you expect other drivers to have.
Can an Ohio insurer use my credit to set my premium?
Yes. Credit-based insurance scores are permitted as a rating factor in Ohio, which is one reason quotes vary so widely between companies for the same driver. It is worth checking your credit file for errors and re-shopping after it improves.
How much does car insurance cost in Ohio?
There is no single answer, and no honest quote exists until an insurer sees your details. For context, the NAIC's average combined premium for liability, collision and comprehensive was $1,038 per insured vehicle in 2023 ($1,037.61) nationally. Your own price turns on ZIP code, vehicle, mileage, driving record, credit and the limits and deductibles you choose.
How do I complain about an Ohio auto insurer?
Get the insurer's decision in writing and escalate internally first, then file a complaint with the Ohio Department of Insurance at insurance.ohio.gov with your policy and claim numbers, the loss date, a timeline and supporting documents. The department reviews the company's conduct; it does not decide fault or award damages.