| Mayor of Jacksonville | |
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 Seal of the City of Jacksonville | |
 Flag of the City of Jacksonville | |
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| Style | The Honorable |
| Term length | 4 years, renewable once consecutively |
| Inaugural holder | William J. Mills |
| Formation | 1832 |
| Salary | $206,218 |
| Website | www |
| Elections in Florida |
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 Government |
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| Politics |
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The Mayor of Jacksonville is the chief executive for the city of Jacksonville, Florida, and the administrator of Duval County. Jacksonville currently utilizes the strong mayor form of government in which the mayor currently has significant powers compared to the Jacksonville City Council. Ever since the land consolidation of Jacksonville as early as the late 19th century with the rest of Duval County, Florida the mayor was considered the administrator over the entire county, with the further consolidation in 1968 the mayor's office officially serves as the executive administrator for the county. The incumbent is Donna Deegan, who was elected in the 2023 election.