Traill County, county in North Dakota, United States of America. As of 2020 county had an estimated population of 7,959 inhabitants. The county was created 149 years ago in 1875. Its county seat is Hillsboro.
There are 1 city/town in Traill County, ND. The largest city of Traill County is Mayville with a population of 128.
Mayville, Township in Traill County, North Dakota
List of cities, towns, neighborhoods & other populated places in Traill County.
| City Name | Title | Population |
|---|---|---|
| Mayville | Township in Traill County, North Dakota | 128 |
