People interested in secular weddings are more likely to opt for a JP wedding. There are many situations where people tend to hire a justice of peace, same sex marriage (as church may disagree with it morally), marrying for the second time and desire to keep it simple or elopement weddings, are a few common reasons behind a JP wedding.
The facility of a JP wedding is not available in each and every state of US. There are some states that have simply excluded a justice of peace position. But states like Connecticut, Louisiana, Massachusetts, New Hampshire, South Carolina, Texas, and Vermont are freely utilizing this facility.