If you're a customer of the country’s largest car insurer, check your mail this summer — there may be a check in it. State Farm recently announced that it will pay $5 billion back to qualifying auto policyholders, making it the largest dividend in the company's 104-year history. Must Read The one-time payout will go to drivers covered under more than 49 million State Farm Mutual auto policies, with payments averaging around $100 per vehicle. Final amounts will vary depending on what state you live in a ...