Idaho Auto Insurance

Idaho has some of the nation's lowest auto insurance rates. Learn about coverage requirements, average costs, and how to find affordable policies in 2025.

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Published October 27, 2025

Key Takeaways

  • Idaho has some of the lowest auto insurance rates in the nation, with full coverage averaging around $1,354 annually in Boise and minimum coverage as low as $375 statewide.
  • Idaho requires minimum liability coverage of 25/50/15, which means $25,000 per person and $50,000 per accident for bodily injury, plus $15,000 for property damage.
  • Idaho's low population density, good road conditions, and lower frequency of auto theft contribute to affordable insurance rates that are 35% below the national average.
  • State Farm and GEICO consistently offer the cheapest rates in Idaho, with minimum coverage starting around $18-22 per month for drivers with clean records.
  • Idaho's population recently surpassed 2 million, with Boise experiencing significant growth, but insurance rates remain competitive even in urban areas.
  • While minimum coverage meets legal requirements, it may not provide adequate protection in serious accidents, making it worth considering higher liability limits.

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If you're driving in Idaho, here's some good news: you're in one of the most affordable states for auto insurance in the entire country. Whether you're navigating Boise's growing traffic or cruising through rural highways in Idaho's wide-open spaces, your insurance bill is likely to be significantly lower than what drivers pay in most other states. But affordable doesn't mean you should just grab the cheapest policy and call it a day. Understanding Idaho's requirements, what affects your rates, and how to find the right coverage can save you money while keeping you properly protected.

Idaho's population recently crossed 2 million residents, with cities like Boise adding tens of thousands of new neighbors. Despite this growth, insurance rates have remained remarkably competitive. Let's break down everything you need to know about auto insurance in the Gem State.

What Idaho Requires (And Why It's Not Enough)

Idaho law requires what's called 25/50/15 coverage. That breaks down to $25,000 per person for bodily injury, $50,000 per accident total, and $15,000 for property damage. You can get this minimum coverage for as little as $18-22 per month with companies like State Farm or GEICO if you have a clean driving record.

But here's the thing: these minimums were set years ago and haven't kept pace with the actual cost of accidents. A new pickup truck can easily exceed $50,000, which means your $15,000 property damage coverage wouldn't come close to covering it if you total one in an accident. Medical bills from a serious injury? They can hit six figures fast. Those state minimums might keep you legal, but they won't necessarily keep you financially safe.

Most insurance experts recommend at least 100/300/100 coverage if you can afford it. In Idaho, bumping up from minimum to more substantial coverage is surprisingly affordable compared to other states. The difference might only be $30-50 more per month, but it could save you from financial devastation down the road.

Why Idaho's Rates Are So Affordable

Idaho's full coverage rates average around $1,354 annually in Boise, with statewide averages ranging from $952 to $1,443 depending on the source. That's roughly 35% below the national average. Several factors make Idaho a sweet spot for auto insurance.

First, Idaho's population density is low. Outside of Boise, Meridian, and a handful of other cities, you've got a lot of open space and relatively empty roads. Fewer cars means fewer accidents, and insurance companies price their policies accordingly. Second, Idaho has a lower rate of uninsured drivers compared to many states, which helps keep everyone's costs down. Third, auto theft and fraud claims are less common here than in more urban states.

Even with Boise's rapid growth—the city has added over 64,000 residents since 2000 and now has a population exceeding 250,000—rates have stayed competitive. While you'll typically pay a bit more in Boise than in smaller towns like Twin Falls or Coeur d'Alene, the difference isn't dramatic. Idaho's good road conditions and generally responsible driving culture also work in your favor when insurance companies calculate risk.

Finding the Cheapest Coverage in Idaho

Not all insurance companies charge the same rates, even for identical coverage. In Idaho, the cheapest options consistently include State Farm, GEICO, American National, and Auto-Owners Insurance. State Farm offers minimum coverage for around $210 annually (about $18 per month), while American National has some of the lowest full coverage rates at roughly $491 annually.

If you're military or a military family member, USAA typically beats everyone with rates as low as $230 for minimum coverage and $60 per month for full coverage. The catch? USAA only insures military-affiliated customers.

Your personal situation matters more than company averages, though. A 25-year-old with a speeding ticket will get different quotes than a 45-year-old with a spotless record. That's why shopping around is crucial. Get quotes from at least three to five companies. You might be surprised at how much rates vary for the exact same coverage. One company might quote you $800 annually while another comes in at $1,400.

Also consider bundling your auto insurance with homeowners or renters insurance. Many companies offer significant discounts—sometimes 15-25%—when you package policies together. Other common discounts include good student discounts for teens, safe driver discounts, defensive driving course credits, and discounts for vehicles with anti-theft devices or safety features.

What If You Have Accidents or Violations?

Even in affordable Idaho, your rates will jump if you have an at-fault accident or traffic violation. After an accident, State Farm tends to offer the most competitive rates in Idaho at around $770 annually. If you've got a DUI on your record, expect significantly higher premiums—Travelers comes in lowest at approximately $1,923 annually, but that's still a steep increase from clean-record rates.

The good news is that violations don't stay on your record forever. Most tickets affect your rates for three years, while DUIs can impact your insurance for five to ten years depending on the company. Maintaining a clean record after an incident will gradually bring your rates back down. Some companies also offer accident forgiveness programs that won't raise your rates after your first at-fault accident, though you typically need to have been with the company for several years to qualify.

Coverage Options Beyond the Basics

Idaho doesn't require uninsured motorist coverage, but it's smart to add it. While Idaho has fewer uninsured drivers than many states, they still exist. Uninsured motorist coverage protects you if someone without insurance hits you and can't pay for the damage. It's usually inexpensive to add—often just $50-100 annually.

Comprehensive and collision coverage aren't legally required, but if you have a car loan or lease, your lender will require them. Comprehensive covers non-collision damage like hail, theft, or hitting a deer—definitely relevant in Idaho's rural areas. Collision covers damage to your car from accidents, regardless of fault. If your car is worth less than a few thousand dollars, you might skip these coverages and pocket the savings, but for newer vehicles, they're essential.

Medical payments coverage or personal injury protection (PIP) can help cover medical expenses for you and your passengers after an accident, regardless of who's at fault. Since Idaho is an at-fault state, you'll be relying on the other driver's insurance if they caused the accident, but having your own medical coverage means you don't have to wait for their insurance to pay out.

How to Get Started

Getting auto insurance in Idaho is straightforward. Start by gathering information about your vehicle (make, model, year, VIN), your driving history, and any drivers in your household who'll be on the policy. Then get quotes from multiple companies—don't just accept the first one you see.

When comparing quotes, make sure you're looking at the same coverage levels. A $500 policy with minimum coverage isn't really cheaper than a $900 policy with comprehensive protection—you're just buying less coverage. Look at the deductibles, liability limits, and optional coverages to make sure you're comparing apples to apples.

Once you've chosen a policy, you can usually get coverage started the same day. Most companies let you manage your policy online, set up automatic payments, and file claims digitally. Review your policy annually when it renews—your circumstances change, new discounts become available, and switching companies can sometimes save you hundreds of dollars even if you're happy with your current insurer.

Idaho's combination of low rates and beautiful driving conditions makes it a great place to be a driver. Take advantage of those affordable premiums by getting proper coverage, shopping around regularly, and maintaining a clean driving record. Your wallet—and your peace of mind—will thank you.

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Frequently Asked Questions

What is the minimum car insurance required in Idaho?

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Idaho requires liability coverage of at least 25/50/15, which means $25,000 per person for bodily injury, $50,000 per accident for bodily injury, and $15,000 for property damage. While this meets legal requirements, most experts recommend higher limits since these minimums often aren't enough to cover the full cost of a serious accident.

How much does car insurance cost in Idaho?

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Idaho has some of the lowest auto insurance rates in the country. Minimum coverage averages around $375-590 annually, while full coverage averages $952-1,443 per year depending on your location, driving record, and the company you choose. Boise residents typically pay around $1,354 annually for full coverage.

Which car insurance company is cheapest in Idaho?

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State Farm and GEICO consistently offer the lowest rates in Idaho, with State Farm averaging $210 per year for minimum coverage and American National offering full coverage for around $491 annually. However, rates vary based on your personal profile, so it's important to compare quotes from multiple companies to find your best rate.

Do I need uninsured motorist coverage in Idaho?

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Uninsured motorist coverage is not legally required in Idaho, and you can waive it if you choose. However, it's highly recommended since it protects you if you're hit by a driver without insurance. This coverage is typically inexpensive to add, often costing just $50-100 per year.

How does a speeding ticket or accident affect my insurance rates in Idaho?

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An at-fault accident or traffic violation will increase your insurance rates in Idaho, though the state's rates remain relatively affordable even after incidents. After an accident, expect to pay around $770 annually with the cheapest companies. Most violations affect your rates for three years, while DUIs can impact premiums for five to ten years.

Is Idaho an at-fault or no-fault state for car insurance?

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Idaho is an at-fault state, which means the driver who causes an accident is responsible for paying damages. You'll file a claim with the at-fault driver's insurance company, or your own insurance will pay and then seek reimbursement from the other driver's insurer. This is why having adequate liability coverage is crucial—if you're at fault, you're on the hook for the damages.

We provide this content to help you make informed insurance decisions. Just keep in mind: this isn't insurance, financial, or legal advice. Insurance products and costs vary by state, carrier, and your individual circumstances, subject to availability.

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