Naperville City, Illinois
As of the census of 2000, there were 128358 people in the city, organized into 43751 households, and 33644 families residing in the city. The population density was 3628.3 people per square mile (1400.89/kmē), making it the 110th most densely populated city in Illinois. There were 45651 housing units at an average density of 1290.3 per square mile (498.19/kmē). The average household size was 2.89 persons, and the average family size was 3.37 persons. In the city Age distribution was 31.8% under the age of 18, 6.4% from 18 to 24, 33.7% from 25 to 44, 21.9% from 45 to 64, and 6.2% who were 65 or older. For every 100 males there were 104.3 females. For every 100 males age 18 and over, there were 108.3 females. The median age of the city's population was 34.2 years, the median age of male residents at 33.6 and the median age of female residents at 34.8. The racial makeup of the city was 109346 White, 3887 Black or African American, 154 American Indian, 12380 Asian, 24 Native Hawaiian, 1600 from two or more races and 967 Ohter races.
The median income for a household in the city was $88771, it would be the 43rd highest city by median household income in the U.S. state of Illinois. The median income for a family in the city was $101590, making its Illinois's 42nd highest city by median family income. The per capita income for the city was $35551, making it the 59th highest city by per capita income in Illinois. The median income is $42092, Males have a median income of $63959 versus $27325 for females.
In 2000, 41948 pupils and students, of which 20934 are male and 21014 are female, 32.68% of the total population, are in the education system. Of which, total enrollment of student are in, 4048 nursery or pri school, 2435 kindergarten, 19551 elementary school, 8280 high school and 7634 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 128358 |
| April 2000 Estimate | 128582 |
| July 2000 Estimate | 129407 |
| July 2001 Estimate | 132548 |
| July 2002 Estimate | 135374 |
| July 2003 Estimate | 137544 |
| July 2004 Estimate | 139160 |
| July 2005 Estimate | 139911 |
| July 2006 Estimate | 140966 |
| July 2007 Estimate | 141805 |
| July 2008 Estimate | 143117 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 1942 | 2106 | 4048 |
| Kindergarten | 1374 | 1061 | 2435 |
| Elementary school | 9931 | 9620 | 19551 |
| High school | 4181 | 4099 | 8280 |
| College or graduate school | 3506 | 4128 | 7634 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Naperville city, Illinois | $88771 | $101590 | $35551 |
| DuPage County, Illinois | $67887 | $79314 | $31315 |
| Illinois, United States | $46590 | $55545 | $23104 |
| United States | $41994 | $50046 | $21587 |