the U.S. CENSUS BUREAU publishes some easily accessible data .
here for everyone's enlightenment are the figures for
MEDIAN INCOME FOR 4-PERSON FAMILY - state-by state .
surprise , surprise (as gomer pyle used to say) , the family income in mississippi is $47,847 , in colorado it's $68,089

- 42 % HIGHER !
draw your own conclusions !
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and if you think that's meaningless , you might have a look at the following article (published in july 2004 - has much changed by now ?) :
POVERTY TIGHTENS GRIP ON MISSISSIPPI DELTA , not a pretty picture , imo !
hbg
from above linked article :
Quote:COAHOMA, Miss. -- The abandoned shells of buildings along the main drag here serve as a glum backdrop for the youngsters who sit in front of them for hours, idly chatting and staring into the occasional passing car. A liquor store and convenience store are the only places to shop. The little work available is seasonal or at casinos 25 miles away.
Poverty, like an annoying out-of-town cousin, has settled into this Mississippi Delta town for an extended stay. Fifty-five percent of households in this community of 350 take in less than $15,000 a year, well below the federal poverty line of $18,850 for a family of four. The last of the town's shacks, which lacked toilets and insulation, were retired only in the last decade, after Habitat for Humanity made destroying them a priority.
Leroy Bush has lived here all his life, picking cotton and working odd jobs to make ends meet. A decade ago, he became a homeowner in exchange for 500 hours' worth of "sweat equity" and a promise to pay $100 a month on an interest-free mortgage that covers the cost of the land, insurance and materials. The labor was free.
"Everybody here is just trying to make it," said Bush, 55, who works with his wife, Clarethea, at a nearby casino. "We do the best we can."
The human faces of poverty for many Americans are the inner-city homeless who sleep on grates, beg on corners and line up, mornings and afternoons, at local parks for a cup of soup and a sandwich. But of the 50 counties with the highest child-poverty rates, 48 are in rural America. Compared with urban areas, unemployment is typically higher, education poorer and services severely limited because people are so spread out.