[1][4] The southwestern corner of Liberty County holds Tiber Dam, a popular tourist and recreation area.

Liberty County is on the state's north line, so that it shares the US border with Canada.

[citation needed] As of the 2010 census, there were 2,339 people, 822 households, and 537 families living in the county.

In terms of ancestry, 55.4% were German, 24.1% were Norwegian, 14.5% were Irish, 9.9% were English, and 1.4% were American.

Researchers William P. O'Hare and Kenneth M. Johnson described the county as typical of the northern Great Plains in being very thinly settled, almost fully dependent on agriculture, and lacking in urban areas.