Mich. Const. art. IV, § 2

Senators,number,term. Sec.2.Thesenateshallconsistof38memberstobeelectedfromsinglememberdistrictsat thesameelectionasthegovernorforfour-yeartermsconcurrentwiththetermofofficeofthe governor. Senatorialdistricts,apportionmentfactors. In districting the state for the purpose of electing senators after the official publication of the total population count of each federal decennial census, each county shall be assigned apportionmentfactorsequaltothesumofitspercentageofthestate’spopulationasshownby the last regular federal decennial census computed to the nearest one-one hundredth of one percent multiplied by four and its percentage of the state’s land area computed to the nearest one-onehundredthofonepercent. Apportionmentrules. In arranging the state into senatorial districts, the apportionment commission shall be governedbythefollowingrules: (1) Counties with 13 or more apportionment factors shall be entitled as a class to senators in the proportion that the total apportionment factors of such counties bear to the total apportionment factors of the state computed to the nearest whole number. After each such countyhasbeenallocatedonesenator,theremainingsenatorstowhichthisclassofcountiesis entitled shall be distributed among such counties by the method of equal proportions applied totheapportionmentfactors. (2) Counties having less than 13 apportionment factors shall be entitled as a class to senators in the proportion that the total apportionment factors of such counties bear to the totalapportionmentfactorsofthestatecomputedtothenearestwholenumber.Suchcounties shall thereafter be arranged into senatorial districts that are compact, convenient, and contiguous by land, as rectangular in shape as possible, and having as nearly as possible 13 apportionment factors, but in no event less than 10 or more than 16. Insofar as possible, existingsenatorialdistrictsatthetimeofreapportionmentshallnotbealteredunlessthereis afailuretocomplywiththeabovestandards unties shall thereafter be arranged into senatorial districts that are compact, convenient, and contiguous by land, as rectangular in shape as possible, and having as nearly as possible 13 apportionment factors, but in no event less than 10 or more than 16. Insofar as possible, existingsenatorialdistrictsatthetimeofreapportionmentshallnotbealteredunlessthereis afailuretocomplywiththeabovestandards. (3)Countiesentitledtotwoormoresenatorsshallbedividedintosinglememberdistricts. The population of such districts shall be as nearly equal as possible but shall not be less than 75 percent nor more than 125 percent of a number determined by dividing the population of the county by the number of senators to which it is entitled. Each such district shall follow incorporated city or township boundary lines to the extent possible and shall be compact, contiguous,andasnearlyuniforminshapeaspossible. History: Const.1963,Art.IV,§2,Eff.Jan.1,1964. FormerConstitution: SeeConst.1908,Art.V,§2. 11 LEGISLATIVE BRANCH Art.IV,§6