2023 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts

2022 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts

2020 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts

2019 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts

2017 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts

2016 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts

2015 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts

2014 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts

2013 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts

2009 Michigan Laws 4.801 – Division of state into 38 senatorial districts; constitution and numbering of districts