Michigan

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

0.41

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

-7.05

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

0.40



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

1.45

☞ Dissimilarity Index ⓘ Measurement of minority representation within a district
  • Hispanic: 0.21
  • African American: 0.41
  • East & South Asian: 0.36
  • Native American: 0.10
  • Other: 0.10

FairyMandered Districts Scores

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

0.45

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

0.24

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

-16.24

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

cannot calculate - Dem. won every district

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

0.99

☞ Dissimilarity Index ⓘ Measurement of minority representation within a district
  • Hispanic: 0.16
  • African American: 0.50
  • East & South Asian: 0.23
  • Native American: 0.12
  • Other: 0.38

Michigan Redistricting Laws After 2020 Census

  • The Michigan Independent Citizens Redistricting Commission (MICRC) approved a series of congressional and legislative maps on November 5th, 2021.
  • U.S. District Court for the Western District of Michigan approved state Senate district boundaries on
click here to learn more about michigan's redistricting laws

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