As our Gerrymandering Threat Index predicted, the 2021 Redistricting Cycle is rife with partisan gerrymandering. RepresentUs partnered with the Princeton Gerrymandering Project (PGP) to grade and analyze redistricting maps this cycle.

As you explore the data, there are a couple of key trends to keep in mind. First, redistricting commissions draw fairer maps. On average, states that have a commission drew “B+” maps while states where partisans control the process drew “D+” maps.

Second, only 48 of the 376 congressional seats that have been drawn are competitive. When elections are non-competitive, elected officials are less responsive to their constituents and often cater to political extremes.

Who draws your districts?

Note: For a variety of reasons, some states will not be assigned final letter grades. For those states, we included other relevant metrics including projected partisan breakdown and number of competitive districts.

Hover overTap table cells for source information and links:

State

What are the different types of commissions?

Independent commission: Independent commissions are isolated from politicians, have strong standards for the maps themselves, and use effective structural constraints to prevent partisanship.

Other commission: Some commissions aren’t fully independent or fully advisory. These panels have final approval power over maps, but deviate from the best practices of an independent commission.

Advisory commission: Advisory commissions are panels that don’t have final control over the passage of maps. Some are more effective than others at preventing partisanship depending on the level of influence they have over the map-drawing process.

Who draws the maps?

Gerrymandering Threat

A note on partisan breakdowns: Fairness of a map and the number of competitive seats are dependent on the partisan makeup of the state and geography. For example, a fair map in a state with more Republican voters would have more Republican seats without gerrymandering.

Final Congressional Map Grade

A note on partisan breakdowns: Fairness of a map and the number of competitive seats are dependent on the partisan makeup of the state and geography. For example, a fair map in a state with more Republican voters would have more Republican seats without gerrymandering.

Final State House Grade

A note on partisan breakdowns: Fairness of a map and the number of competitive seats are dependent on the partisan makeup of the state and geography. For example, a fair map in a state with more Republican voters would have more Republican seats without gerrymandering.

Final State Senate Grade

All states

Alabama

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
6R-1D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
78R-27D

Competitive seats: 4

Final State Senate Grade

Partisan breakdown:
26R-9D

Competitive seats: 2

State

Alaska

Who draws the maps?

Other commission

Gerrymandering Threat

Final Congressional Map Grade

One congressional district

Final State House Grade

Partisan breakdown:
22R-18D

Competitive seats: 9

Final State Senate Grade

Partisan breakdown:
13R-7D

Competitive seats: 5

State

Arizona

Who draws the maps?

Independent commission

Gerrymandering Threat

Final Congressional Map Grade

(A)

(Arizona has one state legislative map)

Source

Final State House Grade

(A)

(Arizona has one state legislative map)

Source

Final State Senate Grade

(A)

State

Arkansas

Who draws the maps?

Congressional
Legislature

State legislative
Other commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
4R-0D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
83R-17D

Competitive seats: 7

Final State Senate Grade

Partisan breakdown:
29R-6D

Competitive seats: 0

State

California

Who draws the maps?

Independent commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
8R-44D

Competitive seats: 3

Final State House Grade

Partisan breakdown:
13R-67D

Competitive seats: 7

Final State Senate Grade

Partisan breakdown:
6R-34D

Competitive seats: 6

State

Colorado

Who draws the maps?

Independent commission

Gerrymandering Threat

Final Congressional Map Grade

(A)

Final State House Grade

Partisan breakdown:
19R-46D

Competitive seats: 11

Final State Senate Grade

Partisan breakdown:
10R-25D

Competitive seats: 9

State

Connecticut

Who draws the maps?

Legislature

Gerrymandering Threat

Source

Note: In Connecticut, the congressional map was drawn by the Special Master for the Connecticut Supreme Court.

Final Congressional Map Grade

Partisan breakdown:
0R-5D

Competitive seats: 2

Source

Note: In Connecticut, the state house map was drawn by a backup commission.

Final State House Grade

Partisan breakdown:
40R-111D

Competitive seats: 30

Source

Note: In Connecticut, the state senate map was drawn by a backup commission.

Final State Senate Grade

Partisan breakdown:
7R-29D

Competitive seats: 10

State

Delaware

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

One congressional district

Final State House Grade

Partisan breakdown:
11R-30D

Competitive seats: 4

Final State Senate Grade

Partisan breakdown:
5R-16D

Competitive seats: 1

State

Florida

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Grade TBD

Final State House Grade

(F)

Final State Senate Grade

(F)

State

Georgia

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

(C)

Final State House Grade

(B)

Final State Senate Grade

(F)

State

Hawaii

Who draws the maps?

Independent commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
0R-2D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
0R-51D

Competitive seats: 3

Final State Senate Grade

Partisan breakdown:
0R-25D

Competitive seats: 1

State

Idaho

Who draws the maps?

Independent commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
2R-0D

Competitive seats: 0

(Idaho has one state legislative map)

Source

Final State House Grade

Partisan breakdown:
30R-5D

Competitive seats: 4

(Idaho has one state legislative map)

Source

Final State Senate Grade

Partisan breakdown:
30R-5D

Competitive seats: 4

State

Illinois

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

(F)

Final State House Grade

(B)

Final State Senate Grade

(F)

State

Indiana

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
7R-2D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
73R-27D

Competitive seats: 8

Final State Senate Grade

Partisan breakdown:
39R-11D

Competitive seats: 3

State

Iowa

Who draws the maps?

Advisory commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
4R-0D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
66R-34D

Competitive seats: 19

Final State Senate Grade

Partisan breakdown:
35R-15D

Competitive seats: 8

State

Kansas

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
3R-1D

Competitive seats: 1

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

Kentucky

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
5R-1D

Competitive seats: 1

Final State House Grade

Partisan breakdown:
82R-18D

Competitive seats: 9

Final State Senate Grade

Partisan breakdown:
32R-6D

Competitive seats: 1

State

Louisiana

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Grade TBD

Final State House Grade

Partisan breakdown:
71R-34D

Competitive seats: 2

Final State Senate Grade

Partisan breakdown:
28R-11D

Competitive seats: 0

State

Maine

Who draws the maps?

Advisory commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
1R-1D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
95R-56D

Competitive seats: 20

Final State Senate Grade

Partisan breakdown:
16R-19D

Competitive seats: 10

State

Maryland

Who draws the maps?

Advisory commission

Gerrymandering Threat

Final Congressional Map Grade

(F)

Final State House Grade

Grade TBD

Final State Senate Grade

(A)

State

Massachusetts

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
1R-8D

Competitive seats: 5

Final State House Grade

Partisan breakdown:
57R-103D

Competitive seats: 37

Final State Senate Grade

Partisan breakdown:
11R-29D

Competitive seats: 12

State

Michigan

Who draws the maps?

Independent commission

Gerrymandering Threat

Final Congressional Map Grade

(A)

Final State House Grade

(B)

Final State Senate Grade

(B)

State

Minnesota

Who draws the maps?

Legislature

Gerrymandering Threat

Source

Note: In Minnesota, the congressional map was drawn by a court-appointed special redistricting panel.

Final Congressional Map Grade

Partisan breakdown:
4R-4D

Competitive seats: 2

Source

Note: In Minnesota, the state house map was drawn by a court-appointed special redistricting panel.

Final State House Grade

Partisan breakdown:
57R-77D

Competitive seats: 21

Source

Note: In Minnesota, the state senate map was drawn by a court-appointed special redistricting panel.

Final State Senate Grade

Partisan breakdown:
31R-36D

Competitive seats: 14

State

Mississippi

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
3R-1D

Competitive seats: 0

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

Missouri

Who draws the maps?

Congressional
Legislature

State legislative
Other commission

Gerrymandering Threat

Final Congressional Map Grade

Grade TBD

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

Montana

Who draws the maps?

Other commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
2R-0D

Competitive seats: 1

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

Nebraska

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
3R-0D

Competitive seats: 0

(Nebraska has one state legislative map)

Source

Final State House Grade

Partisan breakdown:
38R-11D

Competitive seats: 4

(Nebraska has one state legislative map)

Source

Final State Senate Grade

Partisan breakdown:
38R-11D

Competitive seats: 4

State

Nevada

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
1R-3D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
13R-29D

Competitive seats: 5

Final State Senate Grade

Partisan breakdown:
6R-15D

Competitive seats: 3

State

New Hampshire

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Grade TBD

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

New Jersey

Who draws the maps?

Other commission

Gerrymandering Threat

Final Congressional Map Grade

Grade TBD

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

New Mexico

Who draws the maps?

Advisory commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
0R-3D

Competitive seats: 0

Final State House Grade

(B)

Final State Senate Grade

(A)

State

New York

Who draws the maps?

Advisory commission

Gerrymandering Threat

Final Congressional Map Grade

(F)

Final State House Grade

Partisan breakdown:
44R-106D

Competitive seats: 19

Final State Senate Grade

Partisan breakdown:
15R-48D

Competitive seats: 2

State

North Carolina

Who draws the maps?

Legislature

Gerrymandering Threat

Source

Note: In North Carolina, the congressional map was drawn by Special Masters for the North Carolina Supreme Court.

Final Congressional Map Grade

(B)

Final State House Grade

(A)

Final State Senate Grade

(A)

State

North Dakota

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

One congressional district

(North Dakota has one state legislative map)

Source

Final State House Grade

Partisan breakdown:
42R-5D

Competitive seats: 5

(North Dakota has one state legislative map)

Source

Final State Senate Grade

Partisan breakdown:
42R-5D

Competitive seats: 5

State

Ohio

Who draws the maps?

Congressional
Legislature

State legislative
Other commission

Gerrymandering Threat

Final Congressional Map Grade

Grade TBD

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

Oklahoma

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
5R-0D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
80R-21D

Competitive seats: 8

Final State Senate Grade

Partisan breakdown:
40R-8D

Competitive seats: 0

State

Oregon

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

(F)

Final State House Grade

Partisan breakdown:
21R-39D

Competitive seats: 4

Final State Senate Grade

Partisan breakdown:
10R-20D

Competitive seats: 3

State

Pennsylvania

Who draws the maps?

Congressional
Legislature

State legislative
Other commission

Gerrymandering Threat

Source

Note: In Pennsylvania, the congressional map was drawn by the Special Master for the Pennsylvania Supreme Court.

Final Congressional Map Grade

(B)

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

Rhode Island

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
0R-2D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
11R-64D

Competitive seats: 12

Final State Senate Grade

Partisan breakdown:
5R-33D

Competitive seats: 6

State

South Carolina

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
6R-1D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
84R-40D

Competitive seats: 3

Final State Senate Grade

Partisan breakdown:
30R-16D

Competitive seats: 1

State

South Dakota

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

One congressional district

(South Dakota has one state legislative map)

Source

Final State House Grade

Partisan breakdown:
32R-3D

Competitive seats: 2

(South Dakota has one state legislative map)

Source

Final State Senate Grade

Partisan breakdown:

32R-3D

Competitive seats: 2

State

Tennessee

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
8R-1D

Competitive seats: 0

Final State House Grade

Partisan breakdown:
74R-25D

Competitive seats: 7

Final State Senate Grade

Partisan breakdown:
27R-6D

Competitive seats: 0

State

Texas

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

(F)

Final State House Grade

(C)

Final State Senate Grade

(F)

State

Utah

Who draws the maps?

Advisory commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
4R-0D

Competitive seats:
0

Final State House Grade

(B)

Final State Senate Grade

(B)

State

Vermont

Who draws the maps?

Advisory commission

Gerrymandering Threat

Final Congressional Map Grade

One congressional district

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

Virginia

Who draws the maps?

Other commission

Gerrymandering Threat

Source

Note: In Virginia, the congressional map was drawn by Special Masters for the Virginia Supreme Court.

Final Congressional Map Grade

(A)

Source

Note: In Virginia, the state house map was drawn by Special Masters for the Virginia Supreme Court.

Final State House Grade

(A)

Source

Note: In Virginia, the state senate map was drawn by Special Masters for the Virginia Supreme Court.

Final State Senate Grade

(B)

State

Washington

Who draws the maps?

Independent commission

Gerrymandering Threat

Final Congressional Map Grade

Partisan breakdown:
3R-7D

Competitive seats: 2

(Washington has one state legislative map)

Source

Final State House Grade

Partisan breakdown:
18R-31D

Competitive seats: 8

(Washington has one state legislative map)

Source

Final State Senate Grade

Partisan breakdown:
18R-31D

Competitive seats: 8

State

West Virginia

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

Grade TBD

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

State

Wisconsin

Who draws the maps?

Advisory commission

Gerrymandering Threat

Source

Note: In Wisconsin, the final congressional map was chosen by the Wisconsin Supreme Court.

Final Congressional Map Grade

(F)

Source

Note: In Wisconsin, the state house map was chosen by the Wisconsin Supreme Court.

Final State House Grade

(A)

Source

Note: In Wisconsin, the state senate map was chosen by the Wisconsin Supreme Court.

Final State Senate Grade

(A)

State

Wyoming

Who draws the maps?

Legislature

Gerrymandering Threat

Final Congressional Map Grade

One congressional district

Final State House Grade

Grade TBD

Final State Senate Grade

Grade TBD

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