20230613 12334500 1.0 TRUE State Senate District The StateSenateDistrict polygon feature class shows where the Michigan State Senate Districts are located in Oakland County. The feature class was originally created as a coverage by the Register of Deeds Office using Oakland County's roads, municipal districts, and parcels. In June, 2003, it was brought into a geodatabase and has been maintained as a geodatabase since that time. The key attribute is SenatorName.