Hi there CyberRed!
Let's see... well, table wine tends to be around 11% alcohol by volume, and beer tends to be around 5% alcohol by volume. So, you have to drink roughly twice as much beer as wine to become drunk.
Interestingly, if you think about it, the way we customarily serve wine and beer (wine in wine glasses, and beer in cans or bottles), generally you're served about twice as much beer per serving as wine. So, if I sit down and drink a typical bottle of beer, and my wife sits down and drinks a typical glass of wine, we have basically consumed the same amount of alcohol, even though she may still be thirsty, because her glass was smaller.
In any event, I think that usually people say that you're not an alcoholic until your need to drink starts to damage your relationships and your ability to function as a normal member of society (trouble with school or jobs, trouble with family and friends, trouble with your responsibilities and bills, etc.) So, if you drink regularly, but no one is getting hurt (including yourself), then you're at least a functional alcoholic, and quite possibly just a normal person who happens to like alcoholic drinks.
By the way, where in Iowa do you live? I live in Des Moines with my wife and kids.