That varies by state. Historically the duty has been left to the state legislatures and governors, which implies the get together that controls two branches of state authorities can steer the route of elections for a decade. To counter the affect of politics, 10 states — Arizona, California, Colorado, Hawaii, Idaho, Michigan, Montana (which is gaining a second Home member primarily based on the 2020 Census), New Jersey, Virginia and Washington — have shifted “major” redistricting accountability to an unbiased or bipartisan fee, in keeping with the Nationwide Convention of State Legislatures. 5 different states have advisory commissions to assist state legislators draw district traces. Iowa empowers a nonpartisan state legislative company to attract district traces with out taking political information into consideration, however the map is topic to approval by the state legislature.
https://www.washingtonpost.com/enterprise/what-gerrymandering-means-and-why-its-here-to-stay/2021/07/26/8cfbdf7a-ee46-11eb-81b2-9b7061a582d8_story.html?utm_source=rss&utm_medium=referral&utm_campaign=wp_business | What Gerrymandering Means and Why It’s Right here to Keep