Port Alto is located in Texas. Port Alto, Texas has a population of 5,827.
The median household income in Port Alto, Texas is $58,221. The median household income for the surrounding county is $61,887 compared to the national median of $69,021. The median age of people living in Port Alto is 36.7 years.
The average high temperature in July is 91.1 degrees, with an average low temperature in January of 45.1 degrees. The average rainfall is approximately 40.7 inches per year, with 0.1 inches of snow per year.
