UPDATED Oct. 19, 2021, at 10:04 AM

What Redistricting Looks Like In Every State

An updating tracker of proposed congressional maps — and whether they might benefit Democrats or Republicans in the 2022 midterms and beyond.

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The partisan breakdown of this proposed map in Colorado
partisan lean of districts:
Old map
7 districts
This map
8 districts+1
There are 4 Democratic-leaning seats, 3 Republican-leaning seats and 1 highly competitive seat in this proposed map.Change from old map: +1 highly competitive seat.
The competitiveness and fairness of Colorado's maps
Median seat
Difference between the partisan lean of the state’s median district and the state as a whole.
Old mapD+5.2
Preliminary planR+1.8
Second staff planR+4.2
Third staff planR+5.0
Commission-approved planR+5.0
First staff planR+5.9
New map
Efficiency gap
Difference between each party’s share of “wasted votes” — those that don’t contribute to a candidate winning.
Preliminary planR+0.3
First staff planR+1.4
Second staff planR+1.5
Commission-approved planR+1.5
Third staff planR+1.6
Old mapR+5.7
New map
The number of districts in the state whose partisan leans are between R+5 and D+5.
First staff plan2/8
Second staff plan2/8
Commission-approved plan1/8
Preliminary plan1/8
Third staff plan1/8
Old map0/7
New map
The demographic and partisan breakdown of this proposed map in Colorado
DistrictIncumbentPartisan leanRacial makeup
Diana DeGetteD
Joe NeguseD
Lauren BoebertR
Ken BuckR
Doug LambornR
Jason CrowD
Ed PerlmutterD

The racial makeup of each district is of the voting-age population.

The latest in Colorado

Sept. 29, 2021

After months of public feedback and multiple rounds of voting, Colorado’s new independent redistricting committee agreed on a final map on Sept. 28, which will be submitted to the state Supreme Court for approval. The map includes four likely Democratic seats, three likely Republican seats and one highly competitive seat. The final configuration largely protects existing incumbents, while creating an opportunity for either party to pick up a seat in the newly created 8th District — Colorado gained a congressional seat this year based on population increases in the state.

This map is likely to displease Democrats, though, as it opens the possibility of a 4-4 Democrat/Republican split in a state that has trended reliably blue in recent years. Democrats currently control all levers of government in the state and — setting aside good government — would have been able to draw the maps to their advantage had voters not approved the formation of an independent redistricting commission in 2018.

The area encompassed by the new 8th District has trended more Democratic in recent years and could continue to do so in the coming decade, but — with no incumbent and a near-even partisan lean — it is likely to be one of the most competitive House races in 2022. That said, the 8th District is also notable in that it addresses some of the concerns of Hispanic interest groups in the state, as it is 35 percent Hispanic by voting-age population. That may give Hispanic voters in the 8th District a greater likelihood of electing their candidate of choice.

And as long as the state Supreme Court accepts this map — absent any successful legal challenges — it will shape Colorado’s representation in Washington for the next decade.

Latest updates
Icon of the Colorado state boundaries
Oct. 12
The Colorado Independent Congressional Redistricting Commission filed a reply in support of the final congressional plan with the state Supreme Court. Oral arguments will be live streamed on October 12 at 1 PM.
Icon of the Colorado state boundaries
Oct. 1
The Colorado Independent Congressional Redistricting Commission submitted the congressional redistricting plan to the Colorado Supreme Court for final approval.
Icon of the Colorado state boundaries
Sept. 28
The Colorado Independent Congressional Redistricting Commission has adopted a final redistricting plan. The final plan was adopted by an 11-1 vote.

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