Marion is a city in LaMoure County, North Dakota, United States.

[3] The city was founded in 1900 as Elmo, but changed its name to Marion in 1902.

[6] Marion was located at the end of a Northern Pacific branch line starting in Casselton and known as the "lady line" due to the many cities bearing female names located alongside the tracks.

The line was in place in Marion until 2002, when eventual owner Red River Valley & Western filed for abandonment.

37.5% of all households were made up of individuals, and 20.3% had someone living alone who was 65 years of age or older.

40.8% of all households were made up of individuals, and 22.5% had someone living alone who was 65 years of age or older.

There were 10.4% of families and 22.8% of the population living below the poverty line, including 25.6% of under eighteens and 27.9% of those over 64.