[2] Douglas County is included in the Duluth, MN-WI Metropolitan Statistical Area.

[7] Part of the Fond du Lac Indian Reservation is in Douglas County.

17.8% had German, 13.5% Norwegian, 11.5% Swedish, 8.5% Irish, 8.2% Finnish, 6.8% Polish and 5.1% United States or American ancestry.

29.80% of all households were made up of individuals, and 12.00% had someone living alone who was 65 years of age or older.

[17] Additionally, there were no reported induced abortions performed on women of Douglas County residence in 2017.

[18] Douglas County has one of the longest Democratic voting streaks in the nation in presidential elections; the last Republican presidential candidate to win Douglas County was Herbert Hoover in 1928.

Douglas County also regularly supports Democratic candidates at the state level.