North Plainfield Borough, New Jersey
As of the census of 2000, there were 21103 people in the borough, organized into 457 households, and 284 families residing in the borough. The population density was 7565 people per square mile (2920.86/km˛), giving it the 50th most densely populated borough among the New Jersey. There were 7393 housing units at an average density of 2649.8 per square mile (1023.09/km˛). The average household size was 2.9 people, and the average family size was 3.4 people. Age range in the borough was well distributed with 25.8% under the age of 18, 8.7% from 18 to 24, 36.5% from 25 to 44, 19.6% from 45 to 64, and 9.5% who were 65 or older. For every 100 females there were 97.3 males. For every 100 females age 18 and over, there were 96.8 males. The median age is 33.7 years, the median age of male residents at 32.9 and the median age of female residents at 34.4. The racial or ethnic makeup of the borough was 63.06% White, 13.38% Black or African American, 0.28% American Indian, 5.04% Asian, 0.08% Native Hawaiian, 4.48% from two or more races and 13.68% Other races.
The median income for a household in the borough was $55322, it is 270th wealthiest borough by median household income in New Jersey. The median income for a family in the borough was $62875, it is the 286th wealthiest borough in terms of median family income. The per capita income for the borough was $22791, making it the 158th poorest borough by per capita income among the New Jersey. The median income was $27630, Males have a median income of $31545 versus $24343 for females.
In 2000, 5272 pupils and students, of which 2575 are male and 2697 are female, 24.98% of the total population, are in the education system. Of which, total enrollment of student are in, 398 nursery or pri school, 322 kindergarten, 2461 elementary school, 1116 high school and 975 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 21103 |
| April 2000 Estimate | 21103 |
| July 2000 Estimate | 21753 |
| July 2001 Estimate | 21628 |
| July 2002 Estimate | 21660 |
| July 2003 Estimate | 21661 |
| July 2004 Estimate | 21643 |
| July 2005 Estimate | 21633 |
| July 2006 Estimate | 21668 |
| July 2007 Estimate | 21120 |
| July 2008 Estimate | 21143 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 161 | 237 | 398 |
| Kindergarten | 156 | 166 | 322 |
| Elementary school | 1294 | 1167 | 2461 |
| High school | 559 | 557 | 1116 |
| College or graduate school | 405 | 570 | 975 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| North Plainfield borough, New Jersey | $55322 | $62875 | $22791 |
| Somerset County, New Jersey | $76933 | $90605 | $37970 |
| New Jersey, United States | $55146 | $65370 | $27006 |
| United States | $41994 | $50046 | $21587 |