Selz is a census-designated place and unincorporated community in Pierce County, North Dakota, United States.

[3] St. Boniface Cemetery, Wrought-Iron Cross Site, near Selz, is listed on the National Register of Historic Places.

According to the United States Census Bureau, the CDP has a total area of 0.14 square miles (0.36 km2), all land.

There were 30 housing units at an average density of 219.0 per square mile (84.6/km2).

47.8% of all households were made up of individuals, and 17.4% had someone living alone who was 65 years of age or older.