From a total population of 4,127, Kulm has a median age of 48.9. The average age of males, in Kulm, is 46.5 while the average age of females is 52. When you compare this to median age of North Dakota, Kulm is 13.0 years older.
The median income of individuals, in Kulm, is $33,368 while the average household income is $54,393. When comparing the median income of people living in Kulm to the rest of North Dakota, the average income in Kulm is $2,474 more.