I'm pretty sure The Simpsons already have answered this one.
Homer is part of Upper-Lower-Middle class (
http://www.imdb.com/title/tt0778455/quotes) and makes either $24,395.80 pre-tax or $60,0000 pre-tax
source:
http://movies.stackexchange.com/questions/21278/how-much-money-does-homer-make
In the episode "Much Apu About Nothing", Homer's paycheck is revealed to the world when he looks at the check and sees his pay is "drastically" short. It appears as an itemized check with the following:
Springfield Power Company
Employee: Homer J Simpson
Sector 7G
40HRS PAY
Fed W/H........... $56.25
Bear Patrol Tax........$5.00
FICA..................$36.34
State W/H..........$10.45
Municipal Tax.....$9.37
Net Pay...........................................................................$362.19
When this is stretched over a year, it appears that Homer brings home $24,395.80 before deductions and $18,833.88 after deductions. It doesn't seem like he is getting what he deserves as a Nuclear Safety Inspector. Though given the plant's less than stellar conditions this might be true for all other employees. However, in the episode American History X-cellent, Carl exclaims to Homer, "Homer, that's a $60,000 bottle of wine!", which Homer, who is drinking the wine, replies "Woohoo! I'm drinking my salary!" which suggests that's his actual salary.
Being upper-lower-middle-class, the hierarchy obviously looks like this:
upper-lower-middle
middle-lower-middle
lower-lower-middle
upper-upper-lower
middle-upper-lower
lower-upper-lower
upper-middle-lower
middle-middle-lower
lower-middle-lower
upper-lower-lower
middle-lower-lower
lower-lower-lower
which means he is in the 12th rank from the bottom.
If you believe he makes $60K per year, which seems far more likely than the $24K stated in a much earlier season, divided equally each rank is approximately $5K each. Therefore, we can say this:
$130K+ : upper-upper-upper
$125K to 130K: middle-upper-upper
$120K to $125K: lower-upper-upper
$115K to $120K: upper-middle-upper
$110K to $115K: middle-middle-upper
$105K to $110K: lower-middle-upper
$100K to $105K: upper-lower-upper
$95K to $100K: middle-lower-upper
$90K to $95K: lower-lower-upper
$85K to $90K: upper-upper-middle
$80K to $85K: middle-upper-middle
$75K to $80K: lower-upper-middle
$70K to $75K: upper-middle-middle
$65K to $70K: middle-middle-middle
$60K to $65K: lower-middle-middle
$55K to $60K: upper-lower-middle
$50K to $55K: middle-lower-middle
$45K to $50K: lower-lower-middle
$40K to $45K: upper-upper-lower
$35K to $40K: middle-upper-lower
$30K to $35K: lower-upper-lower
$25K to $30K: upper-middle-lower
$20K to $25K: middle-middle-lower
$15K to $20K: lower-middle-lower
$10K to $15K: upper-lower-lower
$5k to $10K: middle-lower-lower
$0 to $5K: lower-lower-lower
But, the episode where he states he earned $60K was in 2010, so after four years of wage increases at the rate of inflation (
http://inflationdata.com/inflation/inflation_rate/historicalinflation.aspx) his $60K is actually $66212.84, shifting the ranges by an approximate 10.3%.
$137,943.42 to $143,461.15: upper-upper-upper
$132,425.69 to $137,943.41: middle-upper-upper
$126,907.95 to $132,425.68 :lower-upper-upper
$121,390.21 to $126,907.94 :upper-middle-upper
$115,872.48 to $121,390.20 :middle-middle-upper
$110,354.74 to $115,872.47 :lower-middle-upper
$104,837.00 to $110,354.73 :upper-lower-upper
$99,319.27 to $104,836.99 :middle-lower-upper
$93,801.53 to $99,319.26 :lower-lower-upper
$88,283.79 to $93,801.52 :upper-upper-middle
$82,766.06 to $88,283.78 :middle-upper-middle
$77,248.32 to $82,766.05 :lower-upper-middle
$71,730.59 to $77,248.31 :upper-middle-middle
$66,212.85 to $71,730.58 :middle-middle-middle
$60,695.11 to $66,212.84 :lower-middle-middle
$55,177.38 to $60,695.10 :upper-lower-middle
$49,659.64 to $55,177.37 :middle-lower-middle
$44,141.90 to $49,659.63 :lower-lower-middle
$38,624.17 to $44,141.89 :upper-upper-lower
$33,106.43 to $38,624.16 :middle-upper-lower
$27,588.69 to $33,106.42 :lower-upper-lower
$22,070.96 to $27,588.68 :upper-middle-lower
$16,553.22 to $22,070.95 :middle-middle-lower
$11,035.48 to $16,553.21 :lower-middle-lower
$5,517.75 to $11,035.47 :upper-lower-lower
$0.00 to $5,517.74 :middle-lower-lower
So, as usual, The Simpsons did it.