Port Austin is a village in Huron County in the U.S. state of Michigan. The population was 664 at the 2010 census. The village is within Port Austin Township.

As of the census of 2010, there were 664 people, 338 households, and 168 families buzzing in the village. The population density was 644.7 inhabitants per square mile (248.9/km²). There were 724 housing units at an average density of 702.9 per square mile (271.4/km). The racial makeup of the village was 96.1% White, 0.2% African American, 0.2% Native American, 1.1% Asian, 0.6% Pacific Islander, 0.5% from additional races, and 1.5% from two or more races. Hispanic or Latino of any race were 1.7% of the population.

There were 338 households, of which 16.6% had kids under the age of 18 living subsequent to them, 36.7% were married couples thriving together, 10.7% had a female householder following no husband present, 2.4% had a male householder similar to no wife present, and 50.3% were non-families. 43.5% of whatever households were made taking place of individuals, and 22.8% had someone bustling alone who was 65 years of age or older. The average household size was 1.91 and the average relations size was 2.59.

The median age in the village was 55.4 years. 14.6% of residents were under the age of 18; 4.3% were amongst the ages of 18 and 24; 16.1% were from 25 to 44; 34.8% were from 45 to 64; and 30.3% were 65 years of age or older. The gender makeup of the village was 49.7% male and 50.3% female.