From a total population of 7,451, Marble Falls has a median age of 41.5. The average age of males, in Marble Falls, is 32.7 while the average age of females is 45.4. When you compare this to median age of Texas, Marble Falls is 7.6 years older.
The median income of individuals, in Marble Falls, is $22,975 while the average household income is $36,567. When comparing the median income of people living in Marble Falls to the rest of Texas, the average income in Marble Falls is $3,538 less.