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Updated Oct 2025

Seminole County Voter Registration

Monthly voter registration tracking for Seminole County from May 2025 to Oct 2025. Active voters have decreased by 10,003. Republican voters lead with 121,422. Active voter counts may fluctuate month-to-month due to routine maintenance activities including the removal of inactive voters, deceased individuals, and duplicate registrations.

Active Voters

343,572
-6,648
last month

Republican Voters

121,422
-1,419
last month

Democratic Voters

108,482
-2,629
last month

Other Voters

113,668
-2,600
last month

Monthly New Registrations

Age & Party Mix

341,863 active • Oct 2025
Legend:
REP
DEM
Other

Monthly Party Switches

DEM
REP
OTH
Above axis = net gain · Below axis = net loss
MonthActiveRepublicanDemocraticOtherTotalActive Change
Oct 2025343,572121,422108,482113,668364,783-6,648
Sep 2025350,220122,841111,111116,268364,697+510
Aug 2025349,710122,649111,042116,019364,127-960
Jul 2025350,670122,862111,524116,284362,776-3,413
Jun 2025354,083123,791112,702117,590365,504+508
May 2025353,575123,619112,549117,407364,996—