Updated April 2026
Minimum Coverage Requirements in Idaho
Idaho requires minimum liability coverage of 25/50/15: $25,000 bodily injury per person, $50,000 per accident, and $15,000 property damage. Drivers convicted of DUI, caught driving without insurance, or who accumulate excessive points typically must file SR-22 proof of financial responsibility with the Idaho Transportation Department for 3 years. For high-risk drivers, carrying only state minimums leaves significant exposure — a serious at-fault accident can exceed $25,000 in medical costs for a single injured party, and property damage to newer vehicles often surpasses $15,000.
How Much Does Car Insurance Cost in Idaho?
High-risk auto insurance rates in Idaho vary significantly by violation type, age, location, and driving history. DUI convictions typically increase premiums 100–200%, while at-fault accidents or minor violations may raise rates 30–80%. Non-standard carriers dominate the high-risk market and set rates based on risk tier, with monthly premiums ranging from $150/mo for a single minor violation to $500+/mo for DUI with SR-22 and financed vehicle requiring full coverage.
What Affects Your Rate
- Violation type and severity: DUI convictions carry the highest surcharges (100–200%), while single at-fault accidents or minor speeding violations may add 30–60%
- Time since violation: rates typically decrease 10–20% each year as violations age, with the steepest drops occurring 12–24 months post-incident if no new violations occur
- SR-22 filing requirement: the filing itself costs $15–$35, but being classified as high-risk elevates the base premium significantly
- Idaho point system: accumulating 12–18 points within 12 months triggers suspension and SR-22 requirement; points remain on your record for 3 years
- Location within Idaho: Boise, Meridian, and Nampa urban areas see higher collision frequency and theft rates, increasing premiums 10–25% compared to rural counties
- Age and experience: drivers under 25 with violations pay 40–80% more than drivers over 30 with identical violation history
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Sources
- Idaho Transportation Department — Driver Services and SR-22 Requirements
- Idaho Statutes Title 49 (Motor Vehicles) — Financial Responsibility and Insurance Requirements
- Idaho Department of Insurance — Consumer Resources and Rate Filings