Wednesday, January 29, 2020

Making Election Maps with Mapbox


Mapbox Elections data being styled in Mapbox Studio to show 2016 Democratic vote percentage

Yesterday Mapbox released a new resource for mapping U.S. election data. Mapbox Elections is a set of tilesets for visualizing U.S. election data from 2004–2016.

The tilesets in Mapbox Elections include data for the 2004, 2008, 2012 and 2016 elections. A number of different datasets are available for each election, including the number of Democrat and Republican votes, the percentage of Democrat and Republican votes, margin of victories, voter turnout and population. All of this data is available at both the state and county level.


Mapbox Elections data being styled in Mapbox Studio to show 2016 Republican vote percentage

The new tilesets can be styled using Mapbox Studio. For example the two screenshots on this page show counties being colored to reflect the percentage of Democratic and Republican votes in the 2016 election. How you choose to style the data and which data you style is entirely up to you. You can see some more ways that the data can be visualized on this Mapbox storymap called Introducing the Historical Elections Tilesets.

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