We collected quotes from a variety of insurance companies across 142 towns and cities in California. Our sample driver was a 30-year-old male who drove a Toyota Camry. To obtain quotes, we kept parameters for getting coverage the same, such as that he was single, had a good credit score and a clean driving record. The only parameter that changed was the zip code where he lived in California. The amount of coverage we opted for gave our driver bit more than what is required of state minimums.
NerdWallet averaged rates for 40-year-old men and women for 20 ZIP codes in each state and Washington, D.C., from the largest insurers, up to 12 in each state. “Good drivers” had no moving violations on record and credit in the “good” tier as reported to each insurer. For the other two driver profiles, we changed the credit tier to “poor” or added one at-fault accident, keeping everything else the same. Sample drivers had the following coverage limits: