Allisonia, VA has a population of 157 and is the 25,476th largest city in the United States. The population density is 48 per sq mi which is 75% lower than the Virginia average and 47% lower than the national average. The median age in Allisonia is 40 which is approximately 6% higher than the Virginia average of 38. In Allisonia, 51% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 75% of Allisonia residents were born in Virginia, 25% were born out of state, 0% were born outside of the United States and 0% were foreign born.