Cedar Grove, WV has a population of 808 and is the 16,539th largest city in the United States. The population density is 1,127 per sq mi which is 1372% higher than the West Virginia average and 1144% higher than the national average. The median age in Cedar Grove is 41 which is approximately 3% lower than the West Virginia average of 42. In Cedar Grove, 65% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 81% of Cedar Grove residents were born in West Virginia, 19% were born out of state, 0% were born outside of the United States and 0% were foreign born.