[3] Logan County comprises the Sterling, CO Micropolitan Statistical Area.

There were 8,424 housing units at an average density of 5 per square mile (1.9/km2).

The racial makeup of the county was 91.65% White, 2.05% Black or African American, 0.64% Native American, 0.40% Asian, 0.07% Pacific Islander, 3.77% from other races, and 1.43% from two or more races.

Logan County is strongly Republican in presidential elections.

Since 1888, the county has failed to back the Republican candidate in only six presidential elections, most recently in 1964 in the midst of Lyndon B. Johnson's national landslide victory.