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Political Dictionary

Electoral Map

An electoral map displays election results or forecasts by state, district, county, or other geographic unit.

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Definition

An electoral map is a visual representation of political results, competitiveness, or electoral-vote allocation across geographic areas. Presidential maps commonly color states by the winning party and show each state’s electoral votes. Other maps may display counties, congressional districts, vote margins, or turnout.

Why It Matters

Electoral maps help users understand geographic voting patterns and possible paths to victory. They can also reveal regional divisions, urban-rural differences, and changes across elections.

How It Works

Election data are matched to geographic boundaries and assigned colors, shades, or labels. Forecast maps may categorize jurisdictions as safe, likely, leaning, or toss-up.

History

Election maps became common in newspapers and atlases and later became central to television election coverage and interactive online forecasting.

Example

A presidential map may show which combinations of swing states could provide the 270 electoral votes needed to win.

Common Misconceptions

  • The amount of colored land shows the number of voters.
  • All election maps use identical party colors or categories.
  • A forecast map is the same as a certified-results map.