THE LYON COUNTY LAND BRIEF
Land in the
Loess Prairies setting.
Lyon County has 587.6 square miles of land in Iowa. The mapped landscape region in Lyon 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 Lyon County
The atlas lists 8 cities, towns, townships, and Census communities associated with Lyon County, including Rock Rapids, George, Lester. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Lyon County by land and water
The Census records 0.17 square miles of water within Lyon County, or 0% of its total area. That share is close to Lyon County’s 0%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Lyon County has 139.5 times the land area of nearby Rock Rapids city (4.21 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets O'Brien County, Osceola County, Sioux County within Iowa. A tract near one of these lines should be matched to the county identifier on its own records.

