Welch, WV has a population of 3,043 and is the 8,741st largest city in the United States. The population density is 504 per sq mi which is 558% higher than the West Virginia average and 456% higher than the national average. The median age in Welch is 40 which is approximately 5% lower than the West Virginia average of 42. In Welch, 40% of the population over 15 years of age are married, 89% speak English and 10% speak Spanish. 56% of Welch residents were born in West Virginia, 37% were born out of state, 0% were born outside of the United States and 7% were foreign born.