Courthouse Main Entrance closed for remodeling starting September 3rd until further notice - The public will need to use the door on the Southwest corner of the courthouse.

Voter Registration Totals

See historical data for voter registration totals in Cerro Gordo County.

Register to Vote

2024

2023

2022

2021

2020

2019

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