Washington, WV has a population of 1,245 and is the 13,810th largest city in the United States. The population density is 299 per sq mi which is 291% higher than the West Virginia average and 231% higher than the national average. The median age in Washington is 42 which is approximately 1% higher than the West Virginia average of 42. In Washington, 66% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 73% of Washington residents were born in West Virginia, 26% were born out of state, 0% were born outside of the United States and 1% were foreign born.