Harrison County
Voted Republican in 2024 · 75,923 votes cast
About Harrison County
Harrison County is a county located in the U.S. state of Mississippi. As of the 2020 census, Harrison County is the second-most populous county in Mississippi with a population of 208,621; although the most recent population estimate from 2025 suggests Harrison County has overtaken Hinds County to become the state's most populous county, with a population of 217,136. Its county seats are Biloxi and Gulfport. The county is named after U.S. President William Henry Harrison. Harrison County is part of the Gulfport-Biloxi metropolitan area. The county was severely damaged from both Hurricane Camille on August 17, 1969, and Hurricane Katrina on August 29, 2005, causing catastrophic effects.
Read more on Wikipedia →2024 Presidential Results
All candidates · Harrison County, Mississippi
Margin History
Red = Republican, Blue = Democratic
Swung Right in 2024
Harrison County shifted 3.7 points toward Republicans compared to 2020. Voter turnout increased by 0.2%.
What does Harrison County really think?
Elections happen once every 4 years. On constitution.vote, your voice is heard every day. Join the assembly and vote on the issues that matter to Mississippi.
Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)