Arizona

Redistricting Algorithm

Current Congressional Districts

FairyMandered Districts

Demographic Distribution For Current Congressional Districts

FYI: % Based on Registered Voter

Demographic Distribution For FairyMandered Districts




FYI: % Based on Registered Voter


Fairness Metrics


Current Congressional Districts Scores

☞ Reock Score Measurement of compactness for each district that ranges from 0 to 1

0.42

☞ Polsby Popper Measurement of compactness between a district's area and the square of its perimeter

0.28

☞ Efficiency Gap Measurement of competitiveness where wasted votes in an election quantify the degree of partisanship

18.41

☞ Lopsided Margin Measurement which calculates difference between the average percentages by which each part won in a district

8.61

☞ Mean-Median Difference between the median and mean vote-share across all districts for one party

2.32

☞ Dissimilarity Index Measurement of minority representation within a district
  • Hispanic: 0.34
  • African American: 0.24
  • East & South Asian: 0.15
  • Native American: 0.39
  • Other: 0.37

FairyMandered Districts Scores

☞ Reock Score Measurement of compactness for each district that ranges from 0 to 1

0.47

☞ Polsby Popper Measurement of compactness between a district's area and the square of its perimeter

0.28

☞ Efficiency Gap Measurement of competitiveness where wasted votes in an election quantify the degree of partisanship

14.98

☞ Lopsided Margin Measurement which calculates difference between the average percentages by which each part won in a district

4.60

☞ Mean-Median Difference between the median and mean vote-share across all districts for one party

5.76

☞ Dissimilarity Index Measurement of minority representation within a district
  • Hispanic: 0.29
  • African American: 0.35
  • East & South Asian: 0.14
  • Native American: 0.61
  • Other: 0.08

Arizona Redistricting Laws After 2020 Census


  • Arizona enacted its new congressional map after the Arizona Independent Redistricting Commission transmitted its finalized congressional map plan to the secretary of state.
  • Arizona enacted its new legislative maps after the Arizona Independent Redistricting Commission transmitted its finalized plans to the secretary of state.
  • Arizona has 9 United States representatives and 90 state legislators

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