Maine

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

0.22

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

0.43

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

0.62

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

0.03

☞ Dissimilarity Index ⓘ Measurement of minority representation within a district
  • Hispanic: 0.08
  • African American: 0.01
  • East & South Asian: 0.14
  • Native American: 0.09
  • Other: 0.09

FairyMandered 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

0.20

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

8.89

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

10.82

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

0.32

☞ Dissimilarity Index ⓘ Measurement of minority representation within a district
  • Hispanic: 0.03
  • African American: 0.09
  • East & South Asian: 0.13
  • Native American: N/A
  • Other: 0.08

Maine Redistricting Laws After 2020 Census

  • Gov. Janet Mills (D) signed legislation enacting redrawn congressional district boundaries on September 29th, 2021.
  • Gov. Janet Mills (D) signed legislation enacting redrawn state legislative district boundaries on September 29th, 2021.
  • Maine has 2 United States representatives and 189 state legislators.
click here to learn more about maine's redistricting laws

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