Cheating heart? Phoenix ranks among top cities for mistresses

PHOENIX - When it comes to cheating hearts, Phoenix ranks in the top three in the U.S. according to one study.

According to research from AshleyMadison.com , a dating site designed for those already in relationships, Phoenix has more mistresses than any other major city besides Washington, D.C. and Los Angeles.

The website reports that more than 30 percent of the women seeking affairs with married men are actually single themselves.

The zip code with the most mistresses? Scottsdale is reportedly the "headquarters for home-wrecking."

Here's the full list:

#1 – Los Angeles, CA – 37.2%

#2 - Washington , DC – 33.8%

#3 – Phoenix, AZ- 31.7%

#4 – Tampa, FL – 29.9%

#5 – San Francisco, CA - 29.9%

#6 – Dallas, TX – 28.5%

#7 – Raleigh, NC – 28.1%

#8 – Milwaukee, WI - 27.8%

#9 – West Palm Beach, FL – 27.4%

#10 –Louisville, KY – 26.8%