[1] The county seat is Cripple Creek,[2] and the most populous city is Woodland Park.

Teller County is included in the Colorado Springs metropolitan area.

A few years after gold was discovered in Cripple Creek, political differences between area miners and mine owners, many of whom lived in Colorado Springs, resulted in the division of El Paso County.

[4] At the 2000 census there were 20,555 people in 7,993 households, including 5,922 families, in the county.

The last time the county voted for the Democratic nominee for president was in 1964, in Lyndon B. Johnson's landslide win.