File:Traill_County_Courthouse.jpg · Wikimedia Commons · See Wikimedia Commons
Traill County
Sign in to saveAlso known as Traill County, North Dakota, Traill County, ND
county in North Dakota, United States of America
Key facts
- Country
- United States
- State
- North Dakota
- Founded
- January 12, 1875 (created), February 23, 1875 (organized)
- Named after
- Walter John Strickland Traill
- Seat
- Hillsboro
- Largest city
- Mayville
- Total
- 862.436 sq mi (2,233.70 km )
- Land
- 861.871 sq mi (2,232.24 km )
- Water
- 0.565 sq mi (1.46 km ) 0.07%
- Estimate 2025
- 7,920
- Density
- 9.269/sq mi (3.579/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- At-large
- Website
- co.traill.nd.us
via Wikipedia infobox
Wikidata facts
- Population
- 7997
- Area
- 2235
- Official website
- www.co.traill.nd.us
- Image
- Traill County Courthouse.jpg
- Households
- 3394
Show 5 more facts
- Commons category
- Traill County, North Dakota
- inception
- 1875-00-00
- water as percent of area
- 0.07
- native label
- Traill County
- per capita income
- 34065
Sources (9)
via Wikidata · CC0
~8 min read
Article
Traill County is a county in the U.S. state of North Dakota. As of the 2020 census, the population at 7,997, and was estimated to be 7,920 in 2025. The county seat is Hillsboro and the largest city is Mayville.
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