Allison Gap is an unincorporated community and census-designated place in Smyth County, Virginia, United States.

It was defined as a census-designated place (then termed an unincorporated place) at the 1950 United States census where it had a population of 1,015. It did not reappear at subsequent censuses until 2020 when it was relisted as a CDP with a population of 610.

Climate

Climate in this area has mild differences between highs and lows, and there is adequate rainfall year-round. The Köppen Climate Classification subtype for this climate is "Cfb". (Marine West Coast Climate/Oceanic climate).

Demographics

Allison Gap first appeared as a census designated place in the 2020 U.S. census.

36°53′39″N 81°46′36″W/36.89417°N 81.77667°W/ 36.89417; -81.77667