New Hampshire

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

0.25

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

0.16

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

43.01

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

cannot calculate - Rep. won every district

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

0.00

☞ Dissimilarity Index Measurement of minority representation within a district
  • Hispanic: 0.03
  • African American: 0.03
  • East & South Asian: 0.01
  • Native American: 0.03
  • Other: 0.03

FairyMandered 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

0.31

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

-47.73

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

cannot calculate - Dem. won every district

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

-9.51

☞ Dissimilarity Index Measurement of minority representation within a district
  • Hispanic: 0.04
  • African American: 0.07
  • East & South Asian: 0.02
  • Native American: N/A
  • Other: 0.01

New Hampshire Redistricting Laws After 2020 Census


  • New Hampshire Supreme Court gave final approval to a new congressional map on May 31st, 2022.
  • Gov. Chris Sununu (R) signed a new state house map into law on March 23rd, 2022.
  • New Hampshire has 2 United States representatives and 424 state legislators.

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