(KNUE-FM) There are some parts of Texas fall within the Bible Belt, which is one big reason why I don’t think of Texas as having some of the most sinful cities. Although there was a list created of all the most sinful cities in the country, and multiple Texas cities were on it. It’s a choice to engage in these sinful activities, it’s also your choice to avoid them altogether if you would prefer. Here is a look at the most sinful cities with Texas having cities that landed #9 and #2 on this list. Texas Has Two of the Most Sinful Cities in the United States Here is a look at the 13 most sinful cities in the country, including two being here in the great state of Texas.