One of the claims against Ashley Madison is that it's populated with a ton of fake accounts. That could explain the inflated numbers.
Also, as far as population numbers are concerned, it's probably best to look at metro area statistics instead of the city proper. You can have a Miami address and live miles away from the city limits. That pool of homes is much larger than 420k.
Also, as far as population numbers are concerned, it's probably best to look at metro area statistics instead of the city proper. You can have a Miami address and live miles away from the city limits. That pool of homes is much larger than 420k.