Chatham, VA has a population of 1,197 and is the 14,044th largest city in the United States. The population density is 590 per sq mi which is 171% higher than the Virginia average and 551% higher than the national average. The median age in Chatham is 48 which is approximately 26% higher than the Virginia average of 38. In Chatham, 55% of the population over 15 years of age are married, 91% speak English and 6% speak Spanish. 66% of Chatham residents were born in Virginia, 29% were born out of state, 0% were born outside of the United States and 4% were foreign born.