THE PULASKI COUNTY LAND BRIEF
Land in the
Cretaceous Hills setting.
Pulaski County has 199.3 square miles of land in Illinois. 4 mapped landscape regions meet across Pulaski County: Cretaceous Hills, Wabash-Ohio Bottomlands, Northern Holocene Meander Belts, among others.
Broad terraced river valleys contrast with wooded slopes and dissected glacial plains. Bottomland settings and upland oak landscapes occur close together across the Interior River Valleys and Hills.
Regional context: Interior River Valleys and Hills ↗ · Regional mapping across the county footprint
Where the landscape changes
Pulaski County intersects 4 mapped regional units. The largest mapped shares are:
- Cretaceous Hills44.9%
- Wabash-Ohio Bottomlands40.1%
- Northern Holocene Meander Belts8.9%
- Southern Shawnee Hills6.1%
Mississippi Alluvial Plain in Pulaski County
The Mississippi's broad alluvial plain includes river terraces, swales and natural levees. Small changes in elevation distinguish local settings within this generally flat river landscape.
Read the regional source ↗Interior Plateau in Pulaski County
Open hills, irregular plains and tablelands are developed on limestone and other sedimentary rocks. Oak-hickory woodland, local prairie and cedar-glade settings contribute to this diverse inland plateau.
Read the regional source ↗Finding your parcel within Pulaski County
The atlas lists 7 cities, towns, townships, and Census communities associated with Pulaski County, including Olmsted, Ullin, Karnak. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Pulaski County by land and water
The Census records 3.77 square miles of water within Pulaski County, or 1.9% of its total area. That share is close to Pulaski County’s 1.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Pulaski County has 59.2 times the land area of nearby Olmsted village (3.37 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Alexander County, Johnson County, Massac County, Union County within Illinois. A tract near one of these lines should be matched to the county identifier on its own records.

