What is the income for a family of four to be "lower middle Class" ?

Answer 1

35,000 a year

Answer 2

I really not sure. It depends on how a person looks at the math.
I look at "per capita income",but, a person needs to understand how this is figured. There are persons who will make less than the specified number so I place those in the poor category along with myself. :-D
The number shown I assume to be "Lower Middle Class".
Here we find the number to range from $11,228 and up depending on where the person live. Normally the Economy is somewhat adjusted with these incomes, rent is cheaper and other cost of living expenses.
The link is what I found in a quick search. Many will disagree, that OK, but this is how I look at specific areas and not the Country as a whole. Remember people like Bill Gates throw the numbers off big time. 1000 people may make $10,000 and when we add Bill into the math it may show everyone average $100,000 or what ever it be, I just try to make an example.

http://www.fcs.uga.edu/hace/caa/pci.html
In 1996, Georgia's per capita income was $23,028, which was $1,408 below the national average of $24,436. Seven counties in Georgia (Cobb, DeKalb, Fayette, Fulton, Glynn and Gwinnett) had per capita incomes higher than the national average. Fulton County had the highest with $37,192. Two counties, Effingham and Oconee had per capita incomes above the state average, but below the national average ($24,436). Mississippi had the lowest per capita income in the country with $17,561. Seventy-eight counties in Georgia had per capita incomes lower than the state of Mississippi. The lowest per capita income was in Long County, with $11,228.

Answer 3

There's not a straight figure for that. It depends heavily on where you live as $40,000 goes a whole hell of a lot farther in, say, Central Nebraska than it does in New York City.