Countries with a high Gini, tend to segregate more heavily than those who don't, which for the typical 'rich' software developer means that they'll live in a trendy area and know to avoid the 'ghetto'.
For example, Miami has a high gini at ~0.6 to 0.7 which gives you the palaces overlooking shacks effect of Miami Beach.
High gini also correlates with extreme economic growth, where the benefits fall onto a small group (e.g. software developers), and a reversion to the mean hasn't yet taken place.
cough cough the Bay Area. Seriously, though, the Santa Clara County metropolitan statistical area clocks in at 0.45 while New York is 0.60 [1].
If you look at Brooklyn (Kings County), the number is 0.499, Queens County the number is 0.433.
According to another site, the citywide number was 0.547 in 2013. ( https://nextcity.org/daily/entry/inequality-new-york-city-we... )