Homer is 53 years old but it might go up a few years if the director anounces it.
According to the episode, "the way we was", Homer was 17 years old in 1974. If you do the math, you would find that Homer was born in 1957. As of 2010, Homer will be 53 years old. Though time markers...
right now they are homer is 40 marge 38
he is 40 years old
It has been said that he is 83 years old.