You will see a lot of election maps in the next few days, and cartograms are becoming more and more popular to show differences in scale. As CityLab explained today, rural counties represent a lot of land, but urban counties are more densely populated, which is why choropleth maps might be misleading. Land doesn’t vote! The Wall Street Journal is tracking results using both types of maps, including the cartogram shown here, although Bloomberg's bodies of water serve as better visual cues.
