This is a D3.js map of the United States. The map is mobile-friendly, so it changes according to the size of your screen view. It is made with data from a JSON file.
United States choropleth map by state (2015 population)
United States choropleth map by county (2015 population)
New York City (breakdown by boroughs)
New York City (breakdown by police precincts)
New York City choropleth map by police precinct (2015 felony figures)
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