From a total population of 23,368, Walnut Grove has a median age of 34.4. The average age of males, in Walnut Grove, is 31.5 while the average age of females is 36.8. When you compare this to median age of Mississippi, Walnut Grove is 1.9 years younger.
The median income of individuals, in Walnut Grove, is $17,178 while the average household income is $32,953. When comparing the median income of people living in Walnut Grove to the rest of Mississippi, the average income in Walnut Grove is $3,778 less.