County index

County dossiers at the decisive layer of American politics

Browse all 3,143 counties through battleground, partisan, turnout, and state-browse surfaces, with the same dossier hierarchy used on the county detail pages.

Open all places Compare counties

Counties

3,134

The full county map of the United States.

Votes indexed

155M

Latest presidential votes aggregated across county dossiers.

State coverage

All states plus DC represented in the county layer.

Browse mode

Map + strips

Jump from national scan to battlegrounds, partisan extremes, or any state inventory.

National county map

Map-first county browse

Use the nationwide county map as the anchor, then move into spotlight strips or browse by state below.

Presidential Results by County

Battleground Counties

Closest presidential margins, 2024

County2024

Talbot

MD County · 23K votes

County2024

Bucks

PA County · 401K votes

R+0.1

County2024

Tippecanoe

IN County · 67K votes

R+0.1

County2024

Green

WI County · 22K votes

D+0.3

County2024

Oktibbeha

MS County · 18K votes

R+0.3

County2024

Haywood

TN County · 7K votes

D+0.4

County2024

Wilson

NC County · 40K votes

D+0.4

County2024

Broome

NY County · 90K votes

D+0.4

County2024

Montgomery

OH County · 255K votes

D+0.5

County2024

Clay

MN County · 33K votes

D+0.5

County2024

Shawnee

KS County · 82K votes

D+0.5

County2024

Essex

NY County · 19K votes

D+0.5

County2024

Nicollet

MN County · 19K votes

R+0.5

County2024

Radford City

VA County · 7K votes

D+0.5

Most Democratic

Strongest D margins, 10K+ votes

County2024

District of Columbia

DC County · 326K votes

D+83.8

County2024

Prince George'S

MD County · 404K votes

D+74.8

County2024

Petersburg City

VA County · 13K votes

D+72.8

County2024

Baltimore City

MD County · 231K votes

D+72.4

County2024

Clayton

GA County · 112K votes

D+69.2

County2024

Charlottesville City

VA County · 23K votes

D+68.7

County2024

Orleans

LA County · 159K votes

D+67.0

County2024

Richmond City

VA County · 108K votes

D+66.3

County2024

San Francisco

CA County · 403K votes

D+64.8

County2024

DeKalb

GA County · 366K votes

D+64.8

County2024

St. Louis City

MO County · 116K votes

D+64.6

County2024

New York

NY County · 654K votes

D+64.2

County2024

Marin

CA County · 144K votes

D+63.9

County2024

Durham

NC County · 181K votes

D+61.7

Most Republican

Strongest R margins, 10K+ votes

County2024

Winston

AL County · 11K votes

R+83.5

County2024

Marion

AL County · 14K votes

R+81.6

County2024

Blount

AL County · 28K votes

R+80.9

County2024

Cullman

AL County · 43K votes

R+80.3

County2024

Itawamba

MS County · 11K votes

R+80.0

County2024

George

MS County · 11K votes

R+78.8

County2024

Banks

GA County · 11K votes

R+78.2

County2024

Montague

TX County · 11K votes

R+77.6

County2024

Geneva

AL County · 12K votes

R+76.9

County2024

Campbell

WY County · 18K votes

R+76.3

County2024

Harlan

KY County · 10K votes

R+76.1

County2024

Lavaca

TX County · 10K votes

R+76.1

County2024

Hardin

TX County · 28K votes

R+75.8

County2024

Sevier

UT County · 11K votes

R+75.4

Largest by Turnout

Most total votes cast, 2024

County2024

Los Angeles

CA County · 3728K votes

D+32.9

County2024

Cook

IL County · 2079K votes

D+41.6

County2024

Maricopa

AZ County · 2062K votes

R+3.5

County2024

Harris

TX County · 1557K votes

D+5.5

County2024

San Diego

CA County · 1478K votes

D+16.8

County2024

Orange

CA County · 1391K votes

D+2.7

County2024

King

WA County · 1131K votes

D+51.3

County2024

Miami-Dade

FL County · 1094K votes

R+11.4

County2024

Clark

NV County · 1031K votes

D+2.6

County2024

Riverside

CA County · 940K votes

R+1.3

County2024

Broward

FL County · 875K votes

D+17.0

County2024

Wayne

MI County · 857K votes

D+29.0

County2024

Dallas

TX County · 850K votes

D+22.2

County2024

Kings

NY County · 848K votes

D+43.3

Place dossier section

Browse by State

3,199

Click a state to see all its counties with margins, demographics, and trends

View all

State county index

Alaska

68 countiesR+13.1

State county index

Alabama

67 countiesR+30.5

State county index

Arkansas

75 countiesR+30.6

State county index

Arizona

15 countiesR+5.5

State county index

California

58 countiesD+20.1

State county index

Colorado

64 countiesD+11.0

State county index

Connecticut

8 countiesD+14.5

State county index

District of Columbia

1 countyD+83.8

State county index

Delaware

3 countiesD+14.7

State county index

Florida

68 countiesR+13.1

State county index

Georgia

161 countiesR+2.2

State county index

Hawaii

5 countiesD+23.1

State county index

Iowa

99 countiesR+13.2

State county index

Idaho

44 countiesR+36.5

State county index

Illinois

102 countiesD+10.9

State county index

Indiana

92 countiesR+19.0

State county index

Kansas

105 countiesR+16.0

State county index

Kentucky

120 countiesR+30.5

State county index

Louisiana

64 countiesR+22.0

State county index

Massachusetts

14 countiesD+25.2

State county index

Maryland

24 countiesD+28.5

State county index

Maine

16 countiesD+6.5

State county index

Michigan

83 countiesR+1.4

State county index

Minnesota

87 countiesD+4.2

State county index

Missouri

115 countiesR+18.4

State county index

Mississippi

82 countiesR+22.9

State county index

Montana

56 countiesR+19.9

State county index

North Carolina

100 countiesR+3.2

State county index

North Dakota

53 countiesR+36.4

State county index

Nebraska

93 countiesR+20.6

State county index

New Hampshire

10 countiesD+2.8

State county index

New Jersey

21 countiesD+5.9

State county index

New Mexico

33 countiesD+6.0

State county index

Nevada

18 countiesR+3.1

State county index

New York

63 countiesD+13.2

State county index

Ohio

88 countiesR+11.2

State county index

Oklahoma

77 countiesR+34.3

State county index

Oregon

36 countiesD+14.3

State county index

Pennsylvania

67 countiesR+1.7

State county index

Rhode Island

5 countiesD+13.6

State county index

South Carolina

46 countiesR+17.9

State county index

South Dakota

70 countiesR+30.3

State county index

Tennessee

95 countiesR+29.7

State county index

Texas

254 countiesR+13.7

State county index

Utah

29 countiesR+21.2

State county index

Virginia

142 countiesD+5.8

State county index

Vermont

14 countiesD+31.5

State county index

Washington

39 countiesD+18.2

State county index

Wisconsin

72 countiesR+0.9

State county index

West Virginia

55 countiesR+41.8

State county index

Wyoming

23 countiesR+45.8

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