Interactive New Jersey Map: Resident’s Ancestral Roots

This interactive New Jersey map is created based on data from the US Census Bureau’s American Community Survey, averaged for the years 2008-2012, and shows the most common ancestry by municipality. According to the map, over 40% of population is originated from Italy, Ireland, and Germany, and only Peapack and Gladstone borough’s dominant ancestry are Americans.

Interactive New Jersey Map Resident's Ancestral Roots

According to the Census, there are around 1.5 million of New Jerseyans are of Italian heritage, 1.3 million are of Irish heritage, and more than 1 million are of German heritage. Different counties have various dominant ancestries, which the countries have been highlighted and grouped on the map that map users can check for the map legend for indication.

There are both mouseover and mouse click events for each county that map users can see detailed statistic by clicking the region.

Mapping Skills
Similar custom maps could be easily created in following steps:

  1. highlight regions by categories
  2. create map legend for color indication
  3. insert infobox for each region by importing data file

Here is a sample map for reference use:
interactive us map

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