Caledonia is a census-designated place in Traill County, North Dakota, United States.

A former boomtown of the 1870s and the era of the Hudson's Bay Company steamship trade, the community has now all but virtually disappeared.

[3] An unincorporated community, it was designated as part of the U.S. Census Bureau's Participant Statistical Areas Program on March 31, 2010.

[3] Caledonia became an early boom town in the Red River Valley and also became a post for a stagecoach line which lead north to Fort Garry — now called Winnipeg.

[8] The steamboat industry soon floundered and the county seat was moved to Hillsboro, named after Hill, in 1896.