Filter by: DemocracyElectionsGovernmentConstitutionRacial JusticeSupreme CourtVoting RightsLocal ElectionsState ElectionsHistoryState GovernmentMovementsProtestCensusDistrictingLocal GovernmentStatehood The Census The U.S. Constitution requires that a Census, or population survey, take place every 10 years. Gerrymandering Gerrymandering occurs when district lines are redrawn to manipulate election results and disenfranchise voters. Community Districting Census results are used to create new legislative and congressional districts to ensure proportional representation in government.