Elections & Voting

Elections and Election Results

Voting and Voter Registration

Other Information

Cerro Gordo County Voter Registration

Updated September 1, 2025

No Party
11,248
Republican
10,000
Democratic
7,891
Other
243

Total Registered Voters: 29,382

Register to Vote Historic Voter Registration Totals

County Courthouse

220 N. Washington Ave.
Mason City, IA 50401
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Courthouse Hours

M-F 8:00 a.m. to 4:30 p.m.
Closed Holidays
Department Hours May Vary