New Haven, WV has a population of 1,331 and is the 13,412th largest city in the United States. The population density is 1,209 per sq mi which is 1479% higher than the West Virginia average and 1235% higher than the national average. The median age in New Haven is 46 which is approximately 11% higher than the West Virginia average of 42. In New Haven, 57% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 46% of New Haven residents were born in West Virginia, 54% were born out of state, 0% were born outside of the United States and 0% were foreign born.