THE HARRISON LAND BRIEF
Land in the
Townsend Basin setting.
Harrison CDP has 0.18 square miles of land in Madison County. Its Census reference point is in Townsend Basin, within Middle Rockies.
Forested mountain ranges rise above grassy or shrubby intermountain valleys. The Middle Rockies combine alpine high country, partly wooded foothills and valleys supplied by mountain streams.
Regional context: Middle Rockies ↗ · Classification at the Census reference point
Harrison and Madison County
Harrison is associated with Madison 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.
Harrison by land and water
The Census records 0 square miles of water within Harrison, or 0% of its total area. It is 0.4 percentage points lower than the 0.4% recorded for Madison County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Harrison CDP has 13% of the land area of nearby Pony CDP (1.34 square miles). These areas describe boundaries, not comparable property prices.

