Originally Posted by dc_dux

Here is representation of Army recruits by income range (based on the average income of the zip code of the recruits).

http://nationalpriorities.org/index....179&Itemid=107
"Note that the peak of the bars falls in the range of $20,000 - $54,999. In other words, neighborhoods with low to middle median household incomes are represented or over-represented. Neighborhoods with high median household incomes are under-represented."