alt=Dayton annual parade. Dayton, Iowa, 1970|thumb|Dayton annual parade. Dayton, Iowa, 1970
Dayton is a city in Webster County, Iowa, United States. The population was 772 at the time of the 2020 census.
History
A post office called Dayton has been in operation since 1877. The city was named after Dayton, Ohio.
Geography
According to the United States Census Bureau, the city has a total area of , all land.