St. Patrick's Day in the United States is identified with displaying lots of green and drinking lots of beer. So just how much beer with folks consume to celebrate the Celtic-themed holiday? According to Wallethub.com St. Patrick's Day is the fourth most popular drinking day of the year behind New Year's Eve, Christmas, and July 4th. Other St. Patrick’s Day Facts include: In total folks celebrating St. Paddy's day will spend $6.16 Billion large. That's about $43 per person. Beer sales are projected to increase 174%. The price of gold right now is around $1700 per ounce which puts the market value of a leprechaun’s pot of gold around $1.6 Million in cash.