Arlington County, Virginia
As of the census of 2000, there were 189453 people, 86352 households, and 39322 families living in the county. The population density was 7323.3 people per square mile (2827.54/kmē), making it the second most densely populated county in Virginia. There were 90426 housing units at an average density of 3495.4 per square mile (1349.58/kmē). The average household size was 2.15 persons, and the average family size was 2.96 persons. The population's age distribution was 16.5% under the age of 18, 10.4% from 18 to 24, 42.4% from 25 to 44, 21.3% from 45 to 64, and 9.4% who were 65 or older. For every 100 females there were 101.5 males. For every 100 females age 18 and over, there were 100.7 males. As of July 2008, the population was estimated at 209969, The racial or ethnic makeup of the county was 80.3% White, 8.09% Black or African American, 0.47% American Indian, 9.14% Asian, 0.11% Native Hawaiian, and 1.89% from two or more races.
The median income for a household in the county was $63001, making its Virginia's seventh highest county by median household income. The median income for a family in the county was $78877, it would be the fifth highest county by median family income in the U.S. state of Virginia. The per capita income for the county was $37706, it is the second wealthiest county in terms of per capita income.
In 2000, 40996 pupils and students, of which 20904 are male and 20092 are female, 21.64% of the total population, are in the education system. Of which, total enrollment of student are in, 3077 nursery or pri school, 2008 kindergarten, 13029 elementary school, 6511 high school and 16371 College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Arlington Cdp | Arlington County | 25.96 | 25.87 | 0.09 | 189453 | 7323.3 | 37706 | 63001 |
| Year | Population |
|---|---|
| April 2000 census | 189453 |
| April 2000 Estimate | 189444 |
| July 2000 Estimate | 189582 |
| July 2001 Estimate | 193550 |
| July 2002 Estimate | 195724 |
| July 2003 Estimate | 196890 |
| July 2004 Estimate | 197955 |
| July 2005 Estimate | 199761 |
| July 2006 Estimate | 200789 |
| July 2007 Estimate | 203909 |
| July 2008 Estimate | 209969 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 1560 | 1517 | 3077 |
| Kindergarten | 1054 | 954 | 2008 |
| Elementary school | 6648 | 6381 | 13029 |
| High school | 3448 | 3063 | 6511 |
| College or graduate school | 8194 | 8177 | 16371 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Arlington County, Virginia | $63001 | $78877 | $37706 |
| Virginia, United States | $46677 | $54169 | $23975 |
| United States | $41994 | $50046 | $21587 |