Libby won an election over Eureka to host the county seat.

[4] The county borders the Canadian province of British Columbia to the north.

[citation needed] As of the 2010 census, there were 19,687 people, 8,843 households, and 5,608 families living in the county.

In terms of ancestry, 31.5% were German, 15.7% were Irish, 15.3% were English, 10.2% were Norwegian, and 3.3% were American.

For its first eighty years, Lincoln County was a Democratic-leaning area that would vote Republican only during large GOP landslides.

The last Democrat to carry Lincoln County was Michael Dukakis during the drought-influenced 1988 election.