Hillsborough County Registered Voters by Party
Active voter party affiliations for Hillsborough County, Florida, updated through Mar 2026 from the Florida Division of Elections.
Republican
293,837
+1,193 vs prior month
Democratic
273,932
+867 vs prior month
Other
30,159
+594 vs prior month
No Party Affiliation
218,660
+1,078 vs prior month
Hillsborough County
Hillsborough County at a Glance
Republican voters lead Democratic voters by 19,905 registrations (2.4% of active voters).
Voters with No Party Affiliation make up 26.8% of active registrations (218,660 voters).
Hillsborough is the 4th-largest county in Florida by active voters.
Over the past 12 months: Republican −7,476, Democratic −24,247, NPA −26,931.
Last month's net changes — Republican +1,193, Democratic +867, NPA +1,078.
Party switching shows a net Republican gain of 1,553 voters across the tracked period.
Key Insights
Registration Trend
Active voter registration has grown by 99.5% since Jan 1995, a net change of 407,319 voters.
Party Leadership
Republican voters lead with 293,837 registrations, a margin of 19,905 (2.4%) over Democratic voters.
Fastest Moving Party
Republican registration is the fastest growing party at +7.6% since Jan 2020.
Party Switching
Republican voters have seen a net gain of 1,553 voters through party switches over the tracked period.