USA: Political Bubbles and Hidden Diversity: Highlights From a Very Detailed Map of the 2016 Election. Previous election maps contained results for about 3,100 counties; here we show results for more than 168,000 voting precincts. #BigSort

The New York Times: “… On the neighborhood level, many of us really do live in an electoral bubble, this map shows: More than one in five voters lived in a precinct where 80 percent of the two-party vote went to Mr. Trump or Mrs. Clinton. But the map also reveals surprising diversity.

Fine detail and big-picture context

The election results most readers are familiar with are county maps like the ones we produce at The Times on election night. But votes are cast at a much finer unit of geography — in precincts, which may contain thousands of voters but in some cases contain only a handful. Our previous election maps contained results for about 3,100 counties; here we show results for more than 168,000 voting precincts. … .”

https://www.nytimes.com/interactive/2018/07/25/upshot/precinct-map-highlights.html