Welcome!
Welcome to Traill County, North Dakota! Organized in 1875, the county of Traill in eastern North Dakota boasts several small communities with exceptional businesses, tourist adventures and cultural history.
With a population of just over 8,100, Traill County is on the grow! With young families, great housing opportunities and first rate educational and health facilities, our communities have something for everyone.
The county seat is Hillsboro, and the largest city is Mayville.
COVID-19 (CORONAVIRUS) INFORMATION

The Traill County courthouse, highway department and economic development offices will be closed to the public until further notice. Staff will continue to take phone calls and emails to help taxpayers in any way possible. See the directory for a list of contact information. For a list of statewide resources, see the North Dakota coronavirus page.
Follow Traill-Steele Joint Information on Facebook for more local information.
Notice to employers: Be on the lookout for fraudulent Unemployment Insurance claims
Unprecedented claim volumes are driving a dramatic increase in fraudulent unemployment claims across the country – North Dakota included. Click here to learn more about what to look for and how to report suspected fraud.
Mask mandate
On Nov. 4 the Traill County Commission passed a mandate requiring residents without a medical or age exemption to wear a face covering while in public and unable to socially distance.
Click here to download a sign you can post to show that face coverings are required in your establishment.
Voter Information
Are YOU prepared to VOTE in ND? Voter ID REQUIRED.... Get the FACTS.
2018 Election Results
2016 Election Results
VISITOR'S GUIDE: ATTRACTIONS
From museums to nature's splendid display of beauty, to theatre and sports. Traill County offers activities for friends of all ages!
HISTORIC Traill County COURTHOUSE
The cornerstone of the present building was laid on June 20, 1906. The cost of the new building was $60,000.
TRAILL COUNTY, NORTH DAKOTA
The perfect location for your growing business, with plenty of housing and employment opportunities for those looking to relocate to a growing rural area.