THE FRANKLIN COUNTY LAND BRIEF
Land in the
Outer Bluegrass setting.
Franklin County has 384.4 square miles of land in Indiana. 3 mapped landscape regions meet across Franklin County: Outer Bluegrass, Loamy High Lime Till Plains, Pre-Wisconsinan Drift Plains.
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.
Regional context: Interior Plateau ↗ · Regional mapping across the county footprint
Where the landscape changes
Franklin County intersects 3 mapped regional units. The largest mapped shares are:
- Outer Bluegrass34%
- Loamy High Lime Till Plains33.1%
- Pre-Wisconsinan Drift Plains32.9%
Eastern Corn Belt Plains in Franklin County
Rolling glacial till plains are interrupted by end moraines and areas of older, more dissected deposits. The historical landscape had more tree cover than the Central Corn Belt to the west.
Read the regional source ↗Finding your parcel within Franklin County
The atlas lists 28 cities, towns, townships, and Census communities associated with Franklin County, including Brookville, Ray, Springfield. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Franklin County by land and water
The Census records 6.62 square miles of water within Franklin County, or 1.7% of its total area. That share is close to Franklin County’s 1.7%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Franklin County has 275.2 times the land area of nearby Brookville town (1.4 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Dearborn County, Decatur County, Fayette County, Ripley County, Rush County, Union County within Indiana. A tract near one of these lines should be matched to the county identifier on its own records.

