Portage Creek is a census-designated place (CDP) in Dillingham Census Area, Alaska, United States.

According to the United States Census Bureau, the CDP has a total area of 12.9 square miles (33.3 km2), all of it land.

[3] Portage Creek first appeared on the 1980 U.S. Census as a census-designated place (CDP).

In 1990, it lost that designation and was reclassified as an unincorporated Alaskan Native Village Statistical Area (ANVSA).

There were no families and none of the population living below the poverty line, including no under eighteens and none of those over 64.