Average Cost of Car Insurance in Idaho for 2026

Idaho car insurance costs less than in most states. You can lower your car insurance costs immediately by adjusting your coverage levels and comparing quotes from different companies.

Your age and where you live in Idaho are fixed for now, but these factors will continue affecting your premiums.

Jump to factors you can control today:

• Cost of Car Insurance in Idaho by Company
• Cost by Coverage Level

Jump to factors that are fixed (for now):

• Cost by City
• Cost by Age and Gender
• Cost by Driving Record
• Cost by Credit Score
• Cost by Vehicle

Car insurance in Idaho ranges from $36 per month for minimum coverage to $79 for full coverage. Idaho drivers save $298 annually compared to the national average for minimum coverage and $541 below the national average for full coverage.

Only two states have cheaper full coverage than Idaho, which ranks third out of 50 states and Washington, D.C., at $79 per month. Idaho sits $3 above Maine ($76) and $3 below Hawaii ($82), placing it among the most affordable options nationwide. With full coverage ranging from Vermont's $75 to Florida's $243, Idaho drivers enjoy some of the lowest insurance costs in America.

About 8% of Idaho drivers carry no insurance. This is one of the higher rates in the Mountain West region. This forces insured drivers to pay more for uninsured motorist coverage, adding roughly $200 per year to the average policy.

Wildfires generate millions in annual insurance claims across Idaho, with over 1,400 fires burning through Idaho in 2023 alone. 

Idaho's rural geography increases claim costs when accidents occur on remote highways and back roads. The state's required personal injury protection coverage adds another layer of expense, with minimum PIP benefits of $3,000 that insurers must provide regardless of fault.

Rates vary between metropolitan areas and small towns throughout the state (see city rates below).

State Farm and American National share the top spot for Idaho's most affordable full coverage, both charging $56 per month. GEICO comes in second at $57 per month, while shopping around can save drivers up to $30 per month compared to pricier options like Travelers at $86. 

These rates come from identical driver profiles, so the differences represent real savings. The $360 annual savings potential makes comparing quotes worthwhile for Idaho residents.

Read more: Cheapest and Best Car Insurance Companies in Idaho

Rates vary so much between companies because each insurer uses its own formula to weigh your driving record, location, age and vehicle. A company with a larger customer base in Idaho prices driver profiles differently based on its own claims history and data compared to carriers with fewer local policies. Some insurers prioritize clean-record drivers and price aggressively for low-risk profiles, while others specialize in higher-risk drivers who need coverage after accidents or violations. Your cheapest option depends entirely on your driver profile, so comparing quotes directly is the only way to find which company offers you the best rate.

Coverage level alone can move your monthly premium by $70 in Idaho, from $37 for minimum liability to $107 for the highest tier. Your coverage level ranks as one of the main cost factors you can control today, alongside which company you choose. Adding comprehensive and collision coverage to a minimum liability policy costs $12 more per month at $49 total, and that added cost protects against damage to your own vehicle.

Lowering your deductible costs more than raising your liability limits in most cases. The most expensive coverage tier — minimum liability plus comprehensive and collision with a $0 deductible — hits $107 per month because eliminating the deductible increases what insurers pay out on claims.

Car insurance rates vary by $9 per month across Idaho's 10 most populous cities, creating a $108 annual difference for drivers shopping around. Caldwell tops the list at $86 per month for full coverage, which runs 9% above the state average of $79. Twin Falls offers the most affordable rates in Idaho at $77 per month, while Boise is $85 per month. These city-to-city differences show that your ZIP code plays a real role in determining your premium costs.

Caldwell's $86 monthly rate reflects the higher traffic density and increased urban development, which means more risk for insurers, which is priced into premiums. Twin Falls drivers pay $77 per month due to the city's smaller size and lower traffic congestion, creating a $9 monthly gap or $108 annual difference between Idaho's most and least expensive cities for full coverage.

A 16-year-old on a family policy in Idaho pays $3,740 per year for males and $3,389 for females — less than the $4,966 males would pay on individual coverage. The $1,226 savings for male drivers makes staying on a parent's policy the more affordable choice, while gender affects car insurance rates with females paying $351 less annually at age 16.

Young drivers in the state see rate decreases as they gain experience, with premiums dropping through the early twenties before leveling off around age 25. The difference between family and individual policy costs makes it financially smart for teens to stay on their parents' coverage as long as possible.

Your driving record is fixed in the short term, but violations don't last forever. Drivers with a clean record pay $82 per month for full coverage in Idaho, while a speeding ticket pushes that cost to $99 per month — a 21% increase that costs an extra $205 per year. Most violations affect your rates for three to five years in the state, though the timeframe varies by violation type.

A DUI conviction creates the biggest financial hit at $137 per month, representing a 67% increase that costs $664 more per year compared to a clean record. Violations raise rates because they show higher risk to insurers, who respond by increasing premiums to offset the potential for future claims. Drivers facing serious violations may need to file SR-22 documentation to maintain their driving privileges.

Multiple violations narrow your insurer options in Idaho and can push you into the high-risk category, where fewer carriers offer coverage and rates climb. Drivers in this situation have limited choices but can still find coverage through specialized insurers willing to work with high-risk profiles.

Poor credit raises full coverage costs 310% in Idaho, from $77 per month to $316. The $239 monthly difference means drivers with bad credit pay $2,868 more annually than those with good credit scores.

Improving credit scores takes time but is a long-term strategy for reducing car insurance premiums. Credit-based scoring stays legal in the state, making credit repair efforts worthwhile for drivers seeking lower insurance costs.

A Tesla Model Y costs $132 per month to insure in Idaho — $46 more per month than a Ford F-150. Your current vehicle is already fixed, but knowing how insurance costs by vehicle change can inform your next purchase decision. Full coverage ranges from $86 per month for a Ford F-150 to $132 for a Tesla Model Y, creating a $552 annual gap between the cheapest and most expensive options. Mid-range sedans like the Honda Civic fall in between at $91 per month for full coverage.

Electric vehicles cost more to insure because their parts and specialized repairs are more expensive than conventional vehicles. The Tesla Model Y's high insurance costs stem from expensive battery replacements, advanced sensors and proprietary components that require specialized technicians to repair.

Your city, age, driving record and coverage level each affect what you pay for car insurance in Idaho, with costs varying far more than most drivers expect. These factors can shift your annual premium by hundreds of dollars, making it important to understand how each one influences your rate.

We used this profile to determine auto insurance costs across all available ZIP codes and cities in the state:

• 40 years old
• Clean driving record
• Good credit
• 2012 Toyota Camry LE

Sections on cost by age and driving record use rates for those driver profiles, with all other factors held constant.

Minimum coverage is a state's minimum liability coverage. Full coverage is a policy with 100/300/100 liability limits and a $1,000 deductible for comprehensive and collision coverage.