Pentress, WV has a population of 318 and is the 22,164th largest city in the United States. The population density is 525 per sq mi which is 586% higher than the West Virginia average and 480% higher than the national average. The median age in Pentress is 23 which is approximately 45% lower than the West Virginia average of 42. In Pentress, 72% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 97% of Pentress residents were born in West Virginia, 3% were born out of state, 0% were born outside of the United States and 0% were foreign born.