From a total population of 4,300, Sergeant Bluff has a median age of 32.9. The average age of males, in Sergeant Bluff, is 27.6 while the average age of females is 35.9. When you compare this to median age of Iowa, Sergeant Bluff is 5.1 years younger.
The median income of individuals, in Sergeant Bluff, is $25,647 while the average household income is $72,614. When comparing the median income of people living in Sergeant Bluff to the rest of Iowa, the average income in Sergeant Bluff is $1,974 less.