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Mayor's Office


The Mayor shares executive and legislative duties with the Council. He is responsible to chair City Council Meetings and holds the deciding vote in the event of a deadlock. The Mayor also has appointing power for department heads with the approval of Council.

The elected Mayor serves a four-year term. Elections are held in November of odd numbered years. The council meets in the City Council Chambers at City Hall twice a month, on the first and third Thursdays, at 7:00 p.m. A round-table work session takes place on the second Thursday of each month at 4:30 p.m.

On Thursday, January 6, 2022, Sean Coletti was sworn in for a second term as Mayor of Ammon.


The Mayor may be contacted through the main city offices at (208) 612-4000, or via e-mail at


The purpose of the Mayor’s Youth Council is to give young people the tools, training, and trust to apply their creativity and energy to effect change in their own lives and in the future of their neighborhoods, communities, cities, and states.

If you are interested in applying for membership to the council, please download, complete and return an application to the City offices at 2135 S Ammon Road. You can download the personal reference form using the link provided here.


Service is integral to a well-functioning community. For this reason, the Mayor seeks to recognize those who serve in Ammon.