Here we can see a simple outline of the cost of living in Port Isabel, TX. As you can see, with the average cost of living in Port Isabel, TX being 80, that puts it 12% lower than the average of Texas and 20% lower than our nation's average. This simple outline of the cost of living index was formulated using prices of: goods and services (weighted 33%), housing prices (weighted 30%), groceries (weighted 13%), utilities (weighted 10%), transportation (weighted 9%), and health care (weighted 5%). Thus, goods/services, along with housing influences the majority of the cost of living index. The price of daily goods and services is a valuable and reliable number to be aware of when considering the general price of the city's goods. In the case of Port Isabel, TX, the price of goods and services are 10% lower than the average of Texas as well as 16% lower than the nation's average.