When we usually have a “wealthiest towns” list, we usually rank all of the towns and municipalities in the state to come up with our top 20. While it is a legitimate way to figure out where wealth is concentrated in the state, we do tend to miss the wealthy municipalities within a county. Where is wealth concentrated in every county? We used Census household median income data from the 2011-2015 American Community Survey to find out. We also ranked them by the county with the least household median income with the most. (By Carla Astudillo | NJ Advance Media for NJ.com) Read more.