State
Iowa car insurance requirements and laws
Iowa requires 20/40/15 liability, among the lowest minimums in the country. UM and UIM are included unless rejected in writing, and a 51% fault bar applies.
Minimum coverage
| Liability limits | 20/40/15 |
|---|---|
| Bodily injury, per person | $20,000 |
| Bodily injury, per accident | $40,000 |
| Property damage | $15,000 |
Rules
| Fault system | At-fault — the driver who causes a crash is responsible for the damage through their liability insurance |
|---|---|
| PIP required | No — Iowa does not require PIP; medical payments coverage is optional |
| Uninsured motorist required | No — uninsured and underinsured motorist coverage of at least 20/40 is included unless you reject it in writing on a separate form (Iowa Code § 516A.1) |
| Negligence rule | Modified comparative negligence (51% bar) — you recover nothing if your fault is greater than the combined fault of the other parties (Iowa Code § 668.3) |
| Digital proof of insurance | Yes — your proof of insurance card may be shown on a phone or other portable electronic device (Iowa Code § 321.20B) |
| Penalty for driving uninsured | $325 scheduled fine ($645 if cited in connection with a crash); police may remove your plates and registration and impound the vehicle |
| Time limit to sue | 2 years for personal injury (Iowa Code § 614.1(2)); 5 years for property damage (Iowa Code § 614.1(4)) |
Costs and context
| Average cost | $869 average annual expenditure (NAIC, 2023 data) |
|---|---|
| Uninsured drivers | About 1 in 9 drivers (11.4%, Insurance Research Council, 2023) |
Regulator
| Insurance regulator | Iowa Insurance Division |
|---|---|
| Consumer hotline | 515-654-6600 |
| Website | iid.iowa.gov |
| Address | 1963 Bell Avenue, Suite 100, Des Moines, IA 50315 |
Minimum car insurance requirements
Iowa requires financial liability coverage on every vehicle driven on its highways (Iowa Code § 321.20B) with limits of at least 20/40/15 (§ 321A.1): $20,000 for injuries to one person, $40,000 for all injuries in one crash and $15,000 for damage to other people's property. Those are among the lowest minimums in the country. Every policy also includes uninsured and underinsured motorist coverage unless you reject it in writing. Compare states with the state car insurance requirements lookup.
| Coverage | Iowa minimum |
|---|---|
| Bodily injury liability, per person | $20,000 |
| Bodily injury liability, per accident | $40,000 |
| Property damage liability, per accident | $15,000 |
| Uninsured motorist | 20/40, included unless rejected in writing |
| Underinsured motorist | 20/40, included unless rejected in writing |
| Personal injury protection (PIP) | Not required |
What the minimums mean in practice. Low minimums leave you exposed. If you cause a crash and the other driver has $40,000 in medical bills, a 20/40/15 policy pays $20,000, and the other $20,000 can be pursued from you. If you total a $32,000 pickup, you could owe $17,000 beyond your $15,000 property damage limit. Most drivers with a home, savings or steady wages carry far more. See how much liability coverage do you need? and the How much car insurance do I need?.
You must keep your proof of insurance card in the vehicle, and Iowa accepts it on a phone (§ 321.20B).
Fault system and what it means after a crash
Iowa is an at-fault state. The driver who caused the crash pays for the other side's injuries and property damage through their liability insurance. You can claim against that insurer, use your own collision coverage, or sue. See no-fault vs at-fault states.
Iowa applies modified comparative negligence with a 51% bar (Iowa Code § 668.3). You can recover as long as your fault is not greater than the combined fault of the others involved, and your damages are reduced by your percentage. A driver 25% at fault for a $12,000 loss recovers $9,000; a driver 51% at fault recovers nothing.
Injury lawsuits generally must be filed within two years (§ 614.1(2)), while claims for injuries to property have five years (§ 614.1(4)). See statutes of limitations for car accident claims.
Optional coverage worth considering here
- Keep UM and UIM, and raise them. Iowa includes both at 20/40 unless you sign a rejection on a separate sheet of paper. The Insurance Research Council estimates about 11.4% of Iowa drivers were uninsured in 2023, below the national 15.4%. But with a 20/40 minimum, many at-fault drivers carry too little to cover a serious injury, and that is the gap UIM fills. See uninsured and underinsured motorist coverage explained and underinsured motorist coverage.
- Comprehensive. Deer collisions, hail, derechos and flooding are comprehensive claims in Iowa (comprehensive coverage explained, hail, flood and storm damage: filing a comprehensive claim).
- Collision. Required by lenders; winter roads make it valuable even on older cars.
- Medical payments. medical payments coverage pays your medical bills regardless of fault.
What drives rates in Iowa
The NAIC puts Iowa's average annual expenditure at $869 in 2023, among the lowest in the country and well below the national average of $1,282. These averages blend all policy types and are not quotes (What NAIC auto insurance data measures).
Low population density, short commutes, modest repair and medical costs and a below-average uninsured rate help keep Iowa prices low. Deer collisions, hail and severe summer storms push comprehensive costs up, and winter weather adds crashes. Rates in Des Moines, Cedar Rapids and the Quad Cities generally differ from rural counties (Why your ZIP code changes your car insurance price).
Penalties for driving uninsured
Iowa's penalties combine fines with on-the-spot enforcement (Iowa Code §§ 321.20B, 805.8A):
- Scheduled fine: $325 for driving without coverage, or $645 if you are cited in connection with a crash.
- Plates and impoundment: an officer can issue a citation, remove the vehicle's license plates and registration receipt, and impound the vehicle. You get the car back only after showing proof of coverage and paying the fine plus towing and storage costs.
- New plates: after proving coverage, the owner pays a $15 administrative fee to the county treasurer for new plates and registration.
Driving uninsured also leaves you personally responsible for any damage you cause. See penalties for driving without insurance.
SR-22 and high-risk drivers
The Iowa Department of Transportation can require proof of future financial responsibility, usually an SR-22 filed by your insurer, under the state's financial responsibility law (Iowa Code ch. 321A), for example after an uninsured crash, a license suspension or serious violations such as OWI. Iowa DOT sets the filing period. SR-22 insurance explained walks through the process; non-owner car insurance: who needs it and how it works helps if you do not own a car. If standard insurers decline you, see high-risk car insurance: options when insurers say no.
Insurers with a strong presence in Iowa
Iowa is an insurance center in its own right. Farm Bureau Financial Services is headquartered in West Des Moines, and Grinnell Mutual is based in Grinnell and works with farm mutuals and independent agents across the Midwest. American Family Insurance has a large agent network in the state, and State Farm, Progressive, Allstate and GEICO write statewide. See Farm Bureau insurance: membership, eligibility and how it works and regional car insurers: when smaller carriers can beat the giants.
Where to get help
The Iowa Insurance Division regulates insurers and investigates consumer complaints. Call 515-654-6600 or file a complaint online through iid.iowa.gov. The division is at 1963 Bell Avenue, Suite 100, Des Moines, IA 50315. how to file a complaint against a car insurance company explains what to include. License suspensions and SR-22 filings are handled by the Iowa Department of Transportation; for injury claims, consult a licensed Iowa attorney.
Sources
- legis.iowa.gov/docs/code/321A.1.pdf
- legis.iowa.gov/docs/code/321.20B.pdf
- legis.iowa.gov/docs/code/805.8A.pdf
- legis.iowa.gov/docs/code/516A.1.pdf
- legis.iowa.gov/docs/code/668.3.pdf
- legis.iowa.gov/docs/code/614.1.pdf
- iid.iowa.gov/
- iid.iowa.gov/consumers/filing-complaints
- iii.org/fact-statistic/facts-statistics-uninsured-motorists
- content.naic.org/article/naic-releases-20222023-auto-insurance-database-report
- insurance.maryland.gov/Consumer/Documents/agencyhearings/NAIC%202023%20Auto%20Insurance%…
Requirements were checked against these sources on the review date below. Laws change - confirm with the state insurance regulator or motor vehicle agency.
Profile last reviewed October 4, 2026