UPDATED Sep. 16, 2021, at 5:00 PM

What Redistricting Looks Like In Every State

An updating tracker of proposed congressional maps — and whether they might benefit Democrats or Republicans in the 2022 midterms and beyond.

Who controls redistricting in Arizona in 2021?
Neither party fully controls the congressional redistricting process. New maps are drawn and enacted by an independent commission made up of citizens.
  • Jan. 1, 2022
    Date that candidates begin filing for congressional runs (therefore map should be set by this date)
partisan lean of districts:
Old map
9 districts
New map
9 districts
Latest updates
Icon of the Arizona state boundaries
Jan. 12
The Arizona Independent Redistricting Commission will hold their first meeting on Thursday Jan. 14, 2021. The current members will interview five independent nominees to serve as chair of the commission.

Our latest coverage

The competitiveness and fairness of Arizona's maps
Median seat
Difference between the partisan lean of the state’s median district and the state as a whole.
Old mapD+2.0
New map
Efficiency gap
Difference between each party’s share of “wasted votes” — those that don’t contribute to a candidate winning.
Old mapR+2.0
New map
The number of districts in the state whose partisan leans are between R+5 and D+5.
Old map1/9
New map