Sedley, VA has a population of 592 and is the 18,521st largest city in the United States. The population density is 175 per sq mi which is 9% lower than the Virginia average and 93% higher than the national average. The median age in Sedley is 34 which is approximately 11% lower than the Virginia average of 38. In Sedley, 47% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 61% of Sedley residents were born in Virginia, 39% were born out of state, 0% were born outside of the United States and 0% were foreign born.