Insurance providers charge different rates based on the insured individual’s age. This graphic compares the average monthly premiums for Santa Clara, CA’s top insurers for four different age groups. These age groups are 17-year olds, 25-year olds, 35-year olds, and 65-year olds. These average monthly premiums are an average of the rates for both males and females. If you’re a 17-year old and are looking for the cheapest insurance provider in Santa Clara, USAA has the cheapest average cost at $539. Farmers, on the other hand, is the most expensive provider, with an average cost of $1,224. The best and worst providers for 25-year olds are: Farmers ($1,228) and USAA ($471). For 35-year olds, GEICO is the cheapest, and Nationwide is the most expensive, at $201 and $394, respectively. And for those that are in the last age group, GEICO is the cheapest insurance provider ($189), and Nationwide is the least affordable provider for 60-year olds at $343 on average.