Sugar Grove, VA has a population of 720 and is the 17,288th largest city in the United States. The population density is 247 per sq mi which is 29% higher than the Virginia average and 173% higher than the national average. The median age in Sugar Grove is 38 which is approximately 2% higher than the Virginia average of 38. In Sugar Grove, 60% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 86% of Sugar Grove residents were born in Virginia, 11% were born out of state, 2% were born outside of the United States and 1% were foreign born.