North 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

0.46

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

0.33

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

20.77

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

9.62

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

6.23

☞ Dissimilarity Index Measurement of minority representation within a district
  • Hispanic: 0.14
  • African American: 0.19
  • East & South Asian: 0.03
  • Native American: 0.16
  • Other: 0.15

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

0.20

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

-0.73

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

4.66

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

1.61

☞ Dissimilarity Index Measurement of minority representation within a district
  • Hispanic: 0.14
  • African American: 0.23
  • East & South Asian: 0.26
  • Native American: 0.52
  • Other: 0.22

North Carolina Redistricting Laws After 2020 Census


  • North Carolina General Assembly adopted new congressional district boundaries on October 25th, 2023.
  • North Carolina General Assembly adopted new legislative district boundaries on October 25th, 2023.
  • North Carolina has 14 United States representatives and 170 state legislators.

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