Islip Cdp, New York
According to 2000 Census Bureau, there were 20575 residents, 6868 households, and 5300 families in the census designated place. The population density was 3808.8 people per square mile (1470.59/km˛), it is the 184th most populated census designated place in terms of population density. There were 7026 housing units at an average density of 1301.1 per square mile (502.36/km˛). It has an average household size was 2.97 persons, and the average family size was 3.38 persons. In the Islip Cdp, 27.4% of the population was under the age of 18, 6.5% were 18 to 24, 32.6% were 25 to 44, 22.3% were 45 to 64, and 11.1% who were 65 or older. For every 100 females there were 94.4 males. For every 100 females age 18 and over, there were 90 males. The median age of the census designated place's population was 36.1 years, the median age of male residents at 35.1 and the median age of female residents at 37.1. The racial makeup of the census designated place was 18038 White, 1008 Black or African American, 21 American Indian, 425 Asian, 6 Native Hawaiian, 456 from two or more races and 621 Ohter races.
The median income for a household in the census designated place was $65657, it is the 259th wealthiest census designated place in terms of median household income. The median income for a family in the census designated place was $72361, it is New York's 281st wealthiest census designated place by median family income. The per capita income for the census designated place was $25383, it is the 360th wealthiest census designated place in terms of per capita income. The median income of census designated place was $33233, Median income for males is $42356, compared with $26341 for females.
In 2000, 5814 pupils and students, of which 49.26% are male and 50.74% are female, 28.26% of the total population, are in the education system. Of which, percentage of enrollment student are in, 9.46% nursery or pri school, 5.3% kindergarten, 46.08% elementary school, 20.3% high school and 18.87% College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 3057 |
| April 2000 Estimate | 3057 |
| July 2000 Estimate | 3064 |
| July 2001 Estimate | 3108 |
| July 2002 Estimate | 3129 |
| July 2003 Estimate | 3176 |
| July 2004 Estimate | 3197 |
| July 2005 Estimate | 3189 |
| July 2006 Estimate | 3167 |
| July 2007 Estimate | 3170 |
| July 2008 Estimate | 3163 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 277 | 273 | 550 |
| Kindergarten | 170 | 138 | 308 |
| Elementary school | 1405 | 1274 | 2679 |
| High school | 608 | 572 | 1180 |
| College or graduate school | 404 | 693 | 1097 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Islip CDP, New York | $65657 | $72361 | $25383 |
| Suffolk County, New York | $65288 | $72112 | $26577 |
| New York, United States | $43393 | $51691 | $23389 |
| United States | $41994 | $50046 | $21587 |