The Pittsburgh Business Times ranked the wealthiest Pittsburgh-area ZIP codes by 2010 median household income. Coming in at No. 7 on the list was 16046, which includes Mars and Adams in Butler County. Population : 14,812 Median household income : $79,295 Average household income: $106,497 Median net worth: $317,210 Median home value: $263,368 For a sneak peek at the rest of the Top 7, click here .