Idylwood Cdp, Virginia
As of the census of 2000, there were 16005 people, 6560 households, and 3833 families residing in the census designated place. The population density was 5618 people per square mile (2169.12/km˛), it would be the eighth most densely populated census designated place in the U.S. state of Virginia. There were 6727 housing units at an average density of 2360.4 per square mile (911.36/km˛). It has an average household size was 2.44 persons, and the average family size was 3.04 persons. In the census designated place Age distribution was 19.7% under the age of 18, 9.4% from 18 to 24, 42.2% from 25 to 44, 21.5% from 45 to 64, and 7.2% who were 65 or older. For every 100 males there were 99.4 females. For every 100 males age 18 and over, there were 101.1 females. The median age of the census designated place's population was 33.3 years, the median age of male residents at 32.5 and the median age of female residents at 34.1. The racial or ethnic makeup of the census designated place was 10034 White, 1109 Black or African American, 51 American Indian, 3074 Asian, 9 Native Hawaiian, 594 from two or more races and 1134 Ohter races.
The median income for a household in the census designated place was $66895, making its Virginia's 37th highest census designated place by median household income. The median income for a family in the census designated place was $74103, it is the 37th wealthiest census designated place in terms of median family income. The per capita income for the census designated place was $34485, making it the 29th wealthiest census designated place by per capita income among the Virginia. The median income of census designated place was $36427, The median income for males was $39545, compared to $33898 for females.
In 2000, 3612 pupils and students, of which 1817 are male and 1795 are female, 22.57% of the total population, are in the education system. Of which, total enrollment of student are in, 288 nursery or pri school, 162 kindergarten, 1283 elementary school, 680 high school and 1199 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 21655 |
| April 2000 Estimate | 21669 |
| July 2000 Estimate | 21761 |
| July 2001 Estimate | 21795 |
| July 2002 Estimate | 21839 |
| July 2003 Estimate | 21564 |
| July 2004 Estimate | 21480 |
| July 2005 Estimate | 21827 |
| July 2006 Estimate | 21609 |
| July 2007 Estimate | 21744 |
| July 2008 Estimate | 22045 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 151 | 137 | 288 |
| Kindergarten | 63 | 99 | 162 |
| Elementary school | 634 | 649 | 1283 |
| High school | 382 | 298 | 680 |
| College or graduate school | 587 | 612 | 1199 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Idylwood CDP, Virginia | $66895 | $74103 | $34485 |
| Fairfax County, Virginia | $81050 | $92146 | $36888 |
| Virginia, United States | $46677 | $54169 | $23975 |
| United States | $41994 | $50046 | $21587 |