New York

Redistricting Algorithm

✱Redistricting was done, keep in mind that this state is notoriously hard to programmatically redistrict due to geographical distortion and/or data inconsistency in the census

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

0.36

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

-1.94

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

10.61

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

5.08

☞ Dissimilarity Index Measurement of minority representation within a district
  • Hispanic: 0.46
  • African American: 0.50
  • East & South Asian: 0.48
  • Native American: 0.26
  • Other: 0.26

FairyMandered Districts Scores

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

0.36

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

0.18

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

-0.03

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

18.26

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

3.03

☞ Dissimilarity Index Measurement of minority representation within a district
  • Hispanic: 0.45
  • African American: 0.05
  • East & South Asian: 0.49
  • Native American: 0.20
  • Other: 0.40

New York Redistricting Laws After 2020 Census


  • New York enacted a congressional map on February 3, 2022, following a signature by Gov. Kathy Hochul.
  • New York enacted a legislative map on February 3, 2022, following a signature by Gov. Kathy Hochul.
  • New York has 26 United States representatives and 213 state legislators.

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