In the context of the comparative health index, which state had the highest average family income?

California is known for its robust economy, which is driven by various industries such as technology, entertainment, agriculture, and tourism. The state houses Silicon Valley, a global center for innovation and technology, which significantly contributes to wealth generation and high-paying jobs. Additionally, there are numerous affluent areas within the state, such as regions in the San Francisco Bay Area and Los Angeles, which elevate the average family income.

In comparison, other states like New York also have high average family incomes due to their financial and commercial districts, but they are often offset by a higher cost of living. Texas and Florida, while having large economies with rapidly growing job markets, generally have lower average family incomes compared to California. These economic factors combined with California's large population and diverse industries help explain why it has the highest average family income among the options provided.