Arlington, Virginia is a suburb of Washington, D.C., located in the state of Virginia. While it is commonly considered to be a city, it is legally a county containing no incorporated cities or towns. The county covers approximately 26 square miles and has a population of approximately 216,004 in 2011, giving it a population density of about 8,000 persons per square mile. Arlington's population is 9.1% Black and 15.2% Hispanic. Arlington's population is well-educated with 92.5% being high-school graduates and 70.1% holding batchelor or higher degrees.
- Arlington County QuickFacts from the US Census Bureau. The population in the 2010 census was 207,628.
- "Profile," from Web site of Arlington County, Virginia