Great Cacapon, WV has a population of 329 and is the 21,979th largest city in the United States. The population density is 384 per sq mi which is 401% higher than the West Virginia average and 324% higher than the national average. The median age in Great Cacapon is 39 which is approximately 8% lower than the West Virginia average of 42. In Great Cacapon, 45% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 21% of Great Cacapon residents were born in West Virginia, 79% were born out of state, 0% were born outside of the United States and 0% were foreign born.