South Carolina

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

0.39

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

0.21

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

21.86

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

5.32

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

2.66

☞ Dissimilarity Index ⓘ Measurement of minority representation within a district
  • Hispanic: 0.13
  • African American: 0.17
  • East & South Asian: 0.13
  • Native American: 0.04
  • Other: 0.04

FairyMandered Districts Scores

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

0.43

☞ 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

-20.12

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

-3.50

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

-1.24

☞ Dissimilarity Index ⓘ Measurement of minority representation within a district
  • Hispanic: 0.10
  • African American: 0.14
  • East & South Asian: 0.09
  • Native American: 0.14
  • Other: 0.10

South Carolina Redistricting Laws After 2020 Census

  • Gov. Henry McMaster (R) signed the Congressional map into law on January 26th, 2022.
  • South Carolina enacted new state legislative district maps on December 10th, 2021.
  • South Carolina has 7 United States representatives and 170 state legislators.
click here to learn more about South Carolina's redistricting laws

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