78598 Port Mansfield, TX is a small town located in Willacy County. It has a population of around 883 people and offers an affordable cost of living, with 2 bedroom rents starting at $750 compared to the average of $1,430 for the US. The Grocery Cost Index in 78598 Port Mansfield, TX is also lower than the national average at 93 versus 100. Local companies in 78598 Port Mansfield, TX include Tony's Seafood Inc., Gulf Coast Sand & Gravel LLC, and South Coast Fuel & Supply LLC. These companies offer seafood services such as retail sales and wholesale services, gravel pits for construction projects, and fuel delivery services respectively.