Citizen commission for state legislative districts only, doesn't require equal numbers of Republicans and Democrats
Arizona
Independent citizen commission for state legislative and U.S. House districts
Arkansas
Politician commission for state legislative districts only
California
Independent citizen commission for state legislative and U.S. House districts
Colorado
Independent citizen commissions, one for state legislative districts and one for U.S. House districts
Florida
Legislators, but state constitution bans gerrymandering for state legislative and U.S. House districts
Idaho
Independent citizen commission for state legislative and U.S. House districts
Hawaii
Politician commission for state legislative and U.S. House districts
Iowa
Non-partisan legislative staff, with the help of an advisory citizen commission for state legislative and U.S. House districts; vote of legislature still required
Michigan
Independent citizen commission for state legislative and U.S. House districts
Missouri
Nonpartisan demographer with the help of a citizen advisory commission for state legislative districts only
Montana
Independent citizen commission for state legislative districts; commission will also draw congressional map if the Montana population requires two U.S. House seats
New Jersey
Politician commissions, one for state legislative districts and one for U.S. House districts
Ohio
Politician commission for state legislative districts and protections against one-party dominance for U.S. House districts
Pennsylvania
Politician commission for U.S. House districts only
Utah
Citizen advisory commission for state legislative and U.S. House districts, doesn't require equal numbers of Republicans and Democrats
Washington
Independent citizen commission for state legislative and U.S. House districts
