A general summary of the cost of living index in Port Allen, LA is shown above. Compared to the state average of Louisiana the cost of living index in Port Allen, LA is 90, which is 2% lower than the average in Louisiana and compared to the national average it is 10% lower than. The cost of living index is made up of several categories. These are transportation at 9%, utilities at 10%, goods and services at 33%, housing at 30%, groceries at 13%, and health care at 5%. The bulk of the cost of living index comes from the categories of goods and services and housing. If you look at everyday goods and services they can be a good indicator in a certain city of the general costs of goods there. In Port Allen, LA goods and services come in at 5% higher than the average in Louisiana and are 1% higher than compared to the nationwide average.