PHILADELPHIA (CBS) — According to the married and dating website, Philadelphia residents have been participating in extra-marital affairs in shocking numbers.

The site, designed for couples already in relationships, revealed the least faithful neighborhoods in Philly. The information is based on the 118,444 members who live in the city.

According to the data, the most unfaithful live in Center City, followed by University City and South Philadelphia rounding out the top three.

The top 10 neighborhoods for affair-seekers are:

1) Center City: 9.43%
2) University City: 7.05%
3) South Philadelphia: 5.99%
4) Camden/Wilmington: 4.2%
5) Olney: 3.52%
6) Frankford: 3.28%
7) Port Richmond: 3.22%
8) Bella Vista: 2.99%
9) Roxborough: 2.79%
10) Mayfair: 2.58%

Additional data reveals that AshleyMadison members that live in South Philly have the most children and University City has the most married men seeking single females.

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