North Dakota·ND·FIPS 38017

Cass County

Voted Republican in 2024 · 90,851 votes cast

About Cass County

Cass County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 184,525, and was estimated to be 201,794 in 2025, making it the most populous county in North Dakota, almost twice the population of Burleigh County, the second most populated county in the state. The county seat and the largest city is Fargo, the most populous city in North Dakota and the 216th-most populous city in the United States. It contains over 25.24% of the state's population. The county is named for George Washington Cass, president of the Northern Pacific Railway from 1872 to 1875. It is the only Cass County in the United States that is not named after Lewis Cass.

2024 Presidential Results

All candidates · Cass County, North Dakota

Donald J Trump(Republican)

52.7%47,873

Won by 7,569 votes

Kamala D Harris(Democrat)

44.4%40,304

Chase Oliver(Libertarian)

1.8%1,665

Other(Other)

1.1%1,009

Margin History

Red = Republican, Blue = Democratic

2024R+8.3

2020R+2.7

2016R+10.5

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Swung Right in 2024

Cass County shifted 5.6 points toward Republicans compared to 2020. Voter turnout increased by 5.6%.

Cass County — Local Discussion

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What does Cass County really think?

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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)