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Car insurance · rank #6 of 51 · July 2026

Average car insurance cost in Idaho

Idaho is one of the cheapest states in the country for car insurance, ranking #6 of 51. Drivers here pay about 29% less than the national average — roughly $720 a year back in your pocket compared with a typical American driver.

Full coverage, monthly$148 -29% vs US avg
Full coverage, annual$1,776
Minimum liability, monthly$48
Minimum liability, annual$576
U.S. average (full coverage)$208/mo
Idaho vs U.S. average$720/yr
Fault systemAt-fault
Cost rank (1 = cheapest)#6 / 51
Paying more than the Idaho average?

The single most reliable way to cut your premium is comparing quotes — the gap between the cheapest and priciest carrier for the same coverage regularly exceeds $1,000 a year.

Compare car insurance quotes

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How Idaho compares with its neighbors

Crossing a state line changes your premium more than almost any other single factor. Here's full coverage in Idaho next to nearby states:

StateFull coverage /moDifference vs ID
Idaho$148
Washington$219+$71/mo
Oregon$199+$51/mo
Montana$211+$63/mo
Utah$224+$76/mo

Idaho car insurance FAQ

How much is car insurance in Idaho?

Full-coverage car insurance in Idaho averages $148 per month ($1,776 per year). A state-minimum liability policy averages $48 per month ($576 per year). Your own rate depends on your age, record, vehicle, credit and ZIP code.

Is car insurance in Idaho more expensive than average?

No. Idaho's full-coverage average of $148/month is about 29% below the U.S. average of $208/month, ranking #6 of 51 (1 = cheapest).

Is Idaho a no-fault state?

No. Idaho is an at-fault (tort) state — the driver who causes an accident is responsible for the other party's injuries and property damage through their liability coverage.

How much cheaper is minimum coverage in Idaho?

Minimum liability in Idaho averages $48/month versus $148/month for full coverage — a gap of $100/month, or $1,200/year. Minimum coverage only pays for damage you cause to others; it will not repair or replace your own car.

Paying more than the Idaho average?

The single most reliable way to cut your premium is comparing quotes — the gap between the cheapest and priciest carrier for the same coverage regularly exceeds $1,000 a year.

Compare car insurance quotes

We may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.