Pax is a town in Fayette County, West Virginia, United States.

[7] According to the United States Census Bureau, the town has a total area of 0.30 square miles (0.78 km2), all land.

There were 102 housing units at an average density of 340.0 per square mile (131.3/km2).

There were 97 housing units at an average density of 307.5 per square mile (117.0/km2).

The racial makeup of the town was 97.70% White, 1.15% African American, and 1.15% from two or more races.

About 4.3% of families and 9.7% of the population were below the poverty line, including 5.6% of those under the age of eighteen and 16.7% of those sixty five or over.