This graphic takes the top insurance providers in Brownsville, TX and compares the average monthly cost of their respective premiums against the average cost of $351. The state’s top providers, and the percent difference that is between their average monthly cost and the average cost in the city as a whole are: Allstate (28%), American Family (5%), GEICO (-29%), Nationwide (26%), Progressive (14%), State Farm (-35%), and USAA (-33%).