[2] Steele County comprises the Owatonna Micropolitan Statistical Area.

The county was named for Franklin Steele, a prominent early resident of the territory.

The county terrain consists of low rolling hills, etched with drainages, completely devoted to agriculture where possible.

[5] The terrain slopes to the east and north, with its highest point near the midpoint of its south border, at 1,293 ft (394 m) ASL.

The Middle Fork of the Zumbro River rises in NE Steele County.

In only one national election since 1964 has the county selected the Democratic Party candidate (as of 2024[update]).