THE UNION LAND BRIEF
Land in the
Outer Bluegrass setting.
Union city has 3.95 square miles of land in Boone County. Its Census reference point is in Outer Bluegrass, within Interior Plateau.
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 ↗ · Classification at the Census reference point
Union and Boone County
Union is associated with Boone County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Union by land and water
The Census records 0 square miles of water within Union, or 0% of its total area. It is 4 percentage points lower than the 4% recorded for Boone County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Union city has 1.2 times the land area of nearby Oakbrook CDP (3.2 square miles). These areas describe boundaries, not comparable property prices.

