Mayville is a city in Traill County, North Dakota, United States. The population was 1,854 at the 2020 census. Mayville is the largest community in Traill County. It was founded in 1881. It is named for May Arnold, the first white child born in the immediate area.
Mayville is often grouped with the neighboring city of Portland and called "May-Port". It is home to Mayville State University.
Geography
Mayville is in the Red River Valley on the banks of the Goose River. The Valley was once a part of glacial Lake Agassiz. As the glacier receded, it left the land very flat and very rich. The area around Mayville is prime agricultural land.
According to the United States Census Bureau, the city has an area of , all land.