After reviewing the latest data for 2025, Louisiana stands out as the state with the highest annual car insurance premiums. A comprehensive analysis from Insure.com reports an average full-coverage premium of $2,883 per year, nearly 48% above the national average.
Why Louisiana is so expensive
- Frequent severe weather (hurricanes, floods) leads to high claim volumes
- High crash rates and uninsured drivers
- Poor road infrastructure and rising legal costs
Other most expensive states for full coverage (2025)
Here’s how the top states compare, based on Insure.com:
| Rank | State | Avg. Annual Premium |
|---|---|---|
| 1 | Louisiana | $2,883 |
| 2 | Florida | $2,694 |
| 3 | California | $2,416 |
| 4 | Colorado | $2,337 |
| 5 | South Dakota | $2,280 |
| 6 | Michigan | $2,266 |
| 7 | Kentucky | $2,228 |
| 8 | Montana | $2,193 |
| 9 | D.C. | $2,157 |
| 10 | Oklahoma | $2,138 |
Some alternate sources also highlight Nevada and New York as contenders, depending on methodology and sample size.
National coverage cost comparison
Nevada has the highest monthly cost in some studies, about $286 per month or $3,432 annually, according to ValuePenguin.
Bankrate’s rankings list New York as the most expensive overall for full coverage, with an average of $4,031 per year, followed by Louisiana at $3,954.
Why states vary so much
- Extreme weather (hurricanes, floods, wildfires)
- Population density and traffic levels
- Theft and accident rates
- Uninsured motorist prevalence
- State laws (like Michigan’s no-fault system)
Bottom line
Louisiana claims the highest average annual full-coverage car insurance rate at $2,883 in 2025. Florida, California, Colorado, Nevada, and Michigan also rank among the most expensive. Rates are shaped by a mix of risk factors, driving behavior, and legal environments.
Tips if you live in a high-cost state
- Shop around, rates can vary 20 to 50 percent between providers
- Raise deductibles or consider usage-based plans
- Maintain a clean driving record
- Bundle policies (auto and home) with one insurer
