METHODOLOGY
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Chance of being represented by either party
100% D
100% R
| Usually Democratic districts | Highly competitive districts | Usually Republican districts | |
|---|---|---|---|
| Current |
| Usually Democratic districts | Highly competitive districts | Usually Republican districts | |
|---|---|---|---|
| Current |
Party probabilities
Every district by the chance it will be represented by either party
| Proportionally partisan | ||
| Democratic gerrymander | ||
| Majority minority | ||
| Compact (algorithmic) | ||
| Highly competitive | ||
| Compact (borders) | ||
| Current | ||
| Republican gerrymander | ||
How the maps compare on district competitiveness, minority makeup, respect for local borders, compactness and the efficiency gap, an attempt to gauge how politically gerrymandered a set of districts is
Efficiency gap
A measure of “wasted” votes, by the size of the advantage and which party it favors
| Dem. gerrymander | D+4% |
| Proportional | D+4% |
| Compact (borders) | R+25% |
| Competitive | R+25% |
| GOP gerrymander | R+25% |
| Majority minority | R+25% |
| Compact (algorithmic) | R+25% |
| Current | R+25% |
Competitive districts
Number of districts in which both parties have at least a 1-in-6 chance of winning
| Current | 1 |
| Compact (algorithmic) | 1 |
| Proportional | 1 |
| Majority minority | 1 |
| Dem. gerrymander | 1 |
| Competitive | 1 |
| Compact (borders) | 1 |
| GOP gerrymander | 0 |
Majority-nonwhite districts
Number of districts in which a majority of the voting-age population is nonwhite
| Current | 0 |
| Compact (algorithmic) | 0 |
| Proportional | 0 |
| Majority minority | 0 |
| GOP gerrymander | 0 |
| Dem. gerrymander | 0 |
| Competitive | 0 |
| Compact (borders) | 0 |
County splits
Number of times a map divides counties into different congressional districts
| Compact (borders) | 1 |
| Competitive | 1 |
| GOP gerrymander | 1 |
| Current | 3 |
| Dem. gerrymander | 4 |
| Proportional | 4 |
| Majority minority | 5 |
| Compact (algorithmic) | 11 |
Compactness rank
Rank by the total length of district boundaries, from shortest to longest
| Compact (borders) | 1 |
| Competitive | 1 |
| Compact (algorithmic) | 3 |
| Majority minority | 4 |
| Dem. gerrymander | 5 |
| Proportional | 5 |
| Current | 7 |
| GOP gerrymander | 8 |
The racial or ethnic makeup of each district and each district’s likelihood of being represented by a member of a racial or ethnic minority, based on election results since 2006
White
African-American
Hispanic/Latino
Asian/Pacific Islander
Other
Minority coalition
| Share of population by race | Chance of being represented by a ... | Chance of being represented by a ... | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| District | District | Majority Race | 0% 50% 100% | Minority member | Democrat | Republican | ||||
| 1st | White | 1% | 3% | 97% | ||||||
| 2nd | White | 2% | 23% | 77% | ||||||
| 3rd | White | <1% | <1% | >99% | ||||||
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