Seven factors impact your Idaho car insurance calculator estimate, but they don't carry equal weight. Based on our analysis of Idaho rate data, your credit score, carrier choice, and age change your estimate the most, by up to $239 a month. Here's how each factor affects your Idaho car insurance cost calculation.
Idaho Car Insurance Calculator: Estimate Your Cost & Coverage
Use these two Idaho car insurance calculators to estimate your cost and your coverage needs. The cost calculator estimates your monthly rate by Idaho ZIP code and the coverage calculator estimates how much insurance you need as an Idaho driver based on your personal situation.

Updated: July 9, 2026
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Idaho Car Insurance Cost Calculator
MoneyGeek's Idaho car insurance calculator estimates the cost of full coverage car insurance in your specific ZIP code across driver profiles in the state.
Enter your Idaho ZIP code to estimate car insurance cost near you.
- Our Idaho rate data comes from filing with the Idaho Department Insurance, in partnership with Quadrant Information Systems, and not from broker estimates.
- Mark Fitzpatrick, a Licensed Property and Casualty Insurance Producer, authored this Idaho car insurance calculator page and was reviewed by.Mark Friedlander of the Insurance Information Institute.
- Our editorial standards keep our recommendations free from any influence by insurance company relationships.
What Affects Your Idaho Car Insurance Calculator Estimate?
The company you pick matters more than anything else for your Idaho car insurance estimate. Full coverage in Idaho costs $53 a month at GEICO., the cheapest insurer and costs over $130 a month at the priciest Idaho carriers. That's about a $77 difference for the same coverage.
This difference changes based on your situation, drivers in Idaho with violations or poor credit will see a cost difference of up to $239 between the cheapest and most expensive insurer in the state.
No single carrier is cheapest for every Idaho driver. Always check your estimate against a few different companies. See our cheapest car insurance in Idaho page to compare Idaho carriers side by side.
Idaho allows insurers to use your credit score to set your rate. Credit score is one the biggest price factors for Idaho drivers. Good credit averages $77 a month for full coverage in Idaho. Poor credit averages $316 a month, a $239 difference for the same coverage.
The same credit score can cost very different amounts depending on the Idaho carrier. Grange charges poor-credit drivers $139 a month, the lowest price we found in Idaho. GEICO charges $242 for the same credit score. Other Idaho carriers charge as much as $258 to $260.
A 16-year-old on a family policy in Idaho pays about $220 a year on average for full coverage. A 40-year-old with a clean record pays about $77 per month, over $130 less for the adult driver. Idaho seniors pay a bit more than middle-aged drivers, about 10% above the standard adult rate.
The biggest price drop happens between ages 16 and 17. Idaho rates keep dropping through your early 20s, then level off around age 25.
The best times to re-quote your Idaho car insurance are right after your 17th birthday, again around 21, and once more at 25.
Idaho's state minimum costs $37 a month on average for 25/50/15 liability coverage. Full coverage with higher 100/300/100 limits costs about $82 a month in Idaho, a $45 difference from the state minimum.
Use our Idaho car insurance coverage calculator to get a personalized recommendation for how much coverage you need.A speeding ticket adds about $20 a month on average in Idaho. An at-fault accident adds about $36 a month. A DUI adds the most, raising the average Idaho rate by 67%, from $82 to $137 a month.
Based on our analysis, State Farm adds the smallest amount after a violation of any Idaho carrier. GEICO adds the most, especially after a DUI. If you have a recent violation, start by checking State Farm's rate in Idaho.
Idaho keeps most violations on your record for three years. A DUI stays on your record for at least ten years, but most Idaho insurers only look at the past three to five years when setting your price. Re-quote your Idaho car insurance as soon as you pass each of those marks.
A Ford F-150 costs about $86 a month for full coverage in Idaho. A Toyota Camry costs about $97. A Tesla Model Y costs about $132. On average, your Idaho car insurance cost will fluctuate by $32 depending on your vehicle choice.
That difference comes from parts and labor costs. Electric cars need special parts and trained mechanics. In rural Idaho, the nearest mechanic who can fix an EV might be far away. That can make EV repairs cost even more than the price already shows.
Caldwell has the highest full coverage cost in Idaho at $86 a month. Twin Falls and Lewiston have the lowest at $77 a month, only a $9 difference across the whole state.
Because the difference between Idaho cities is so small, moving to a new city won't save you much. Picking the right carrier or coverage level will save you a lot more.
Idaho Car Insurance Coverage Need Calculator
Use our Idaho car insurance coverage calculator to find out how much coverage you need to protect your assets. You'll need to know your coverage level before you get any Idaho car insurance quotes, so you're comparing the right amount of protection, not just the lowest price. Answer six quick questions and get a personalized coverage recommendation in Idaho, including your state's minimum requirements and expert-recommended limits.
Idaho Coverage Calculator Estimates Explained
Idaho requires every driver to have at least 25/50/15 in liability coverage plus $3,000 in personal injury protection. Those are the minimums, not a recommendation. The Idaho car insurance coverage calculator above gives you a personalized coverage level based on your assets and situation. Here are the three most important factors it considers.
- Idaho's Property Damage Minimum Is Too Low for Most Cars: Idaho only requires $15,000 in property damage liability, one of the lowest limits in the country. A single accident with a newer truck or SUV can cost more than that to repair. Idaho is an at-fault state. If your coverage runs out, you pay the rest yourself. If you own a home or have savings, the calculator will recommend at least $100,000 in property damage coverage for most drivers to protect your assets.
- Full Coverage Makes Sense for Most Idaho Drivers: Moving from Idaho's state minimum to full coverage with comprehensive and collision adds about $45 a month. That covers theft, weather damage, and accidents where you're at fault, none of which the state minimum liability covers. Idaho's rural terrain adds real risk to your own vehicle. Hail, wildfire, and collisions with wildlife are common across the state and none are covered by liability-only insurance. If your car is financed or leased, your lender requires full coverage.
- Idaho Insurers Required to Offer UM/UI Coverage: Car insurance companies in Idaho are required to offer uninsured and underinsured motorists coverage. Declining requires a signed, written rejection using Idaho's specific disclosure form.
Coverage Type Explanations
Bodily injury liability pays for injuries you cause to others in an at-fault crash. It pays for their medical bills, lost wages, and other legal expenses The minimum bodily injury coverage is $25,000 per person and $50,000 per accident. Most Idaho drivers will need more coverage than state minimums to protect their assets.
Property damage liability pays for damage you cause to another driver's vehicle or property. Idaho's $15,000 minimum is low enough that a single newer pickup or SUV can exceed it. If your coverage runs out, you pay the difference. Drivers with savings or home equity should have at least $100,000 in property damage liability, but use the calculator above to get a personalized recommendation.
Uninsured and underinsured motorist coverage pays your medical costs and repair bills when the at-fault driver carries no insurance or not enough to cover the damage. About 6.4% of Idaho drivers carry no insurance according to the iii.org. Idaho law requires every insurer to offer this coverage, but you can choose to decline it.
Collision pays for damage to your own vehicle in an at-fault crash. Comprehensive pays for non-collision damage like hail, flooding, theft and fire. If your vehicle is financed, lenders require both until the loan is paid off. For vehicles you own, comprehensive appears in your Idaho recommendation because of the documented hail exposure across the Snake River Plain and Magic Valley corridor, and other weather and theft risks across the state.
Gap insurance pays the difference between your car's actual cash value and the remaining loan balance if the car is totaled. If your loan balance exceeds your car's current market value, add gap insurance.
An SR-22 is a certificate your insurer files with the Idaho Transportation Department proving you have at least the state minimum car insurance. Idaho requires SR-22 after a DUI conviction, driving without insurance, or certain serious traffic violations. The filing must stay active for three years. If it lapses, your insurer notifies the state, your license is suspended immediately with no grace period, and the three-year clock restarts. Not all insurers file SR-22 certificates.
Next Steps After Using the Idaho Calculators
Once you have your Idaho car insurance cost estimate and coverage recommendation, here's what to do next.
- Find the Cheapest Idaho Carrier for Your Profile: The cheapest carrier in Idaho depends on your driver profile, not just the coverage type. For full coverage with a clean record, GEICO leads at $53 a month. For minimum coverage, State Farm is cheapest at $18 a month. Start your search with both and compare from there. See our cheapest car insurance in Idaho page for a full breakdown by driver profile.
- If You Have Poor Credit or a Violation: Poor credit and violations change which Idaho carrier is cheapest, sometimes by a lot. If your credit is fair or poor, quote Grange first. Grange charges poor-credit drivers $139 a month, more than $100 less than the next cheapest Idaho carrier. If you have a DUI or at-fault accident, start with State Farm. State Farm applies the smallest surcharge of any Idaho carrier after every violation type. Note that Grange only sells through independent agents, so you won't find an instant online quote.
- Young Drivers and Seniors Should Look at Different Carriers: If you have a driver under 25 on your policy, get a quote from Grange. Grange is the cheapest option for Idaho drivers from age 18 to 25, even if your main policy is with someone else. For seniors, State Farm leads at $63 a month for drivers 65 and older. Farm Bureau is a close second at $66 a month and offers a low-mileage discount that fits many retired Idaho drivers.
- Know When to Re-Shop Your Idaho Car Insurance: Idaho rates change at predictable points and your carrier won't lower your rate automatically. Re-quote right after your 17th birthday, again at 21, and once more at 25. These are Idaho's biggest age-based price drops. Also re-shop as soon as a violation drops off your record.
Make sure you get the best rates. Compare quotes from the top insurance companies.
Our Idaho Car Insurance Estimate Methodology
MoneyGeek's Idaho car insurance cost calculator uses rate data that Quadrant Information Services collects directly from insurer filings with state regulators. This data covers every residential ZIP code in Idaho and updates monthly.
The base driver profile used for every rate on this page is a 40-year-old with good credit, a clean driving record, and a 2012 Toyota Camry. Full coverage reflects 100/300/100 liability limits with a $1,000 deductible for comprehensive and collision. Minimum coverage reflects Idaho's required limits of 25/50/15, meaning $25,000 in bodily injury coverage per person, $50,000 per accident, and $15,000 in property damage coverage. Your actual rate will differ based on your age, driving record, credit score, vehicle, and ZIP code.
Idaho Coverage Need Calculator
Mark Friedlander, Senior Director of Media Relations at the Insurance Information Institute, and Mark Fitzpatrick, a licensed Property and Casualty Insurance Producer, helped build the coverage need calculator. It factors in your vehicle, how you financed it, your assets, and your driver profile to give you a recommendation built around your situation.
For more on how MoneyGeek collects and scores this data, see our auto insurance methodology.
About Mark Fitzpatrick

Mark Fitzpatrick, a licensed Property and Casualty (P&C) Insurance Producer in Connecticut, is MoneyGeek's resident insurance expert. He has spent nearly a decade analyzing the market, first at LendingTree and now at MoneyGeek, where he produces original research on hundreds of carriers and millions of rates across auto, home, renters, health and life insurance.
He covers economics and insurance at MoneyGeek, and his work has been featured in The Washington Post, The New York Times and NPR, among other outlets.
Like all MoneyGeek analysts, he draws on independent cost and consumer experience data. No insurance company partnership influences his recommendations.
Mark holds a B.A. from Boston College and an M.A. in Economics and International Relations from Johns Hopkins University. He started his career in financial risk management at State Street and is also a five-time “Jeopardy!” champion.
Sources
- Idaho Transportation Department. "Minimum Liability Insurance." Accessed July 8, 2026.
- Idaho State Legislature. "Idaho Code § 49-117, Motor Vehicle Financial Responsibility." Accessed July 8, 2026.
- Idaho State Legislature. "Idaho Code § 49-1229, SR-22 Certificate of Financial Responsibility." Accessed July 8, 2026.
- Idaho State Legislature. "Idaho Code § 41-2502, Uninsured Motorist Coverage." Accessed July 8, 2026.
- Idaho State Legislature. "Idaho Code § 6-801, Contributory Negligence/Comparative Fault." Accessed July 8, 2026.
- Insurance Research Council. "Uninsured and Underinsured Motorists: 2017-2023 (2025)." Accessed July 8, 2026.


