From a total population of 12,118, Marshall has a median age of 33.7. The average age of males, in Marshall, is 29.7 while the average age of females is 36.5. When you compare this to median age of Missouri, Marshall is 4.4 years younger.
The median income of individuals, in Marshall, is $18,467 while the average household income is $36,420. When comparing the median income of people living in Marshall to the rest of Missouri, the average income in Marshall is $7,539 less.