gerrymandering

Drawing of electoral district lines in a way that gives advantage to a particular political party.

The practice is named after Massachusetts Gov. Elbridge Gerry, who submitted to the state senate a redistricting plan that would have concentrated the voting strength of the Federalist Party in just a few districts, thereby giving disproportionate representation to the Democratic-Republican Party. Some of Gerry's new districts were necessarily odd-shaped; one district's outline, seen to resemble a salamander, gave rise to the scornful term gerrymander. The practice has persisted, and redistricting battles in state legislatures have often had to be decided by the courts. In some countries, independent commissions have been appointed to draw district boundaries. In the late 20th and early 21st centuries so-called "racial gerrymandering," which aimed to ensure minority representation in some districts, was a controversial issue in the U.S.

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▪ politics

 in U.S. politics, drawing the boundaries of electoral districts in a way that gives one party an unfair advantage over its rivals. The term is derived from the name of Governor Elbridge Gerry (Gerry, Elbridge) of Massachusetts, whose administration enacted a law in 1812 defining new state senatorial districts. The law consolidated the Federalist Party vote in a few districts and thus gave disproportionate representation to Democratic-Republicans. The outline of one of these districts was thought to resemble a salamander. A satirical cartoon by Elkanah Tisdale appeared in the Boston Gazette; it graphically transformed the districts into a fabulous animal, “The Gerry-mander,” fixing the term in the popular imagination.

      Gerrymandering has been condemned because it violates two basic tenets of electoral apportionment—compactness and equality of size of constituencies. A U.S. Supreme Court ruling of 1964 stated that districts should be drawn to reflect substantial equality of population. However, using studies of regional voting behaviour, the majority parties in certain state legislatures continue to set district boundaries along partisan lines without regard for local boundaries or even contiguity. For example, in some states, representatives from rural and small town districts seek to limit the representation of more densely populated urban centres.

      Sometimes gerrymandering is defended as the only means of securing any representation for minority groups. It is argued that violating local boundaries in drawing districts is preferable to denying a politically cohesive group any voice in state government.

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