Wyoming's two biggest towns won't be on Santa's "nice list" this year. According to a new study, both Casper and Cheyenne rank among 2017's Most Sinful Cities.

The study compared 182 metropolitan areas based on a a variety of factors related to the "7 deadly sins" of anger, jealousy, gluttony, greed, laziness, lust and vanity.

Cheyenne ranked 72nd, followed closely by Casper in 86th. Both Wyoming towns scored above the national average for anger and "excessive vices".

Las Vegas lived up to its reputation as "Sin City", topping the list, followed by Orlando, Miami and St. Louis. Two Las Vegas suburbs also finished in the top 10.

South Burlington, Vermont, was the least sinful city on the list. Pearl City, Hawaii, Brownsville, Texas, West Valley City, Utah, and Port St. Lucie, Florida, rounded out the bottom five.