Missouri

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

0.46

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

0.32

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

10.75

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

4.46

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

8.02

☞ Dissimilarity Index ⓘ Measurement of minority representation within a district
  • Hispanic: 0.25
  • African American: 0.56
  • East & South Asian: 0.29
  • Native American: 0.12
  • Other: 0.13

FairyMandered Districts Scores

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

0.44

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

0.23

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

-1.15

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

-11.00

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

2.99

☞ Dissimilarity Index ⓘ Measurement of minority representation within a district
  • Hispanic: 0.16
  • African American: 0.46
  • East & South Asian: 0.23
  • Native American: N/A
  • Other: 0.23

Missouri Redistricting Laws After 2020 Census

  • Missouri enacted new congressional district boundaries on May 18th, 2022.
  • Missouri completed its legislative redistricting on March 15th, 2022.
  • Missouri has 8 United States representatives and 197 state legislators.
click here to learn more about missouri's redistricting laws

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