THE SIOUX COUNTY LAND BRIEF
Land in the
Loess Prairies setting.
Sioux County has 767.9 square miles of land in Iowa. The mapped landscape region in Sioux County is Loess Prairies.
Glacial till plains and windblown loess hills make up the Western Corn Belt landscape. Near-level and rolling terrain are interspersed with steeper river valleys and hills.
Regional context: Western Corn Belt Plains ↗ · Regional mapping across the county footprint
Finding your parcel within Sioux County
The atlas lists 14 cities, towns, townships, and Census communities associated with Sioux County, including Sioux Center, Sheldon, Orange City. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Sioux County by land and water
The Census records 1.08 square miles of water within Sioux County, or 0.1% of its total area. That share is close to Sioux County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Sioux County has 114.6 times the land area of nearby Sioux Center city (6.7 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Cherokee County, Lyon County, O'Brien County, Osceola County, Plymouth County within Iowa. A tract near one of these lines should be matched to the county identifier on its own records.

