Decatur City, Illinois
As of the census of 2000, there were 81860 people, 34086 households, and 21088 families residing in the city. The population density was 1969.7 people per square mile (760.51/kmē), it is the 329th most populated city in terms of population density. There were 37239 housing units at an average density of 896 per square mile (345.95/kmē). The average household size was 2.3 people, and the average family size was 2.9 people. The population's age distribution was 24% under the age of 18, 11.1% from 18 to 24, 26% from 25 to 44, 22.5% from 45 to 64, and 16.4% who were 65 or older. For every 100 females there were 87.9 males. For every 100 females age 18 and over, there were 83.9 males. The median age of the city's population was 37.2 years, The median age of males and females living in Decatur City was 35.4 and 38.7 years respectively. The racial or ethnic makeup of the city was 77.59% White, 19.47% Black or African American, 0.17% American Indian, 0.66% Asian, 0.02% Native Hawaiian, 1.65% from two or more races and 0.43% Other races.
The median income for a household in the city was $33111, it is the 389th poorest city in terms of median household income. The median income for a family in the city was $42379, it would be the 795th highest city by median family income in the U.S. state of Illinois. The per capita income for the city was $19009, making it the 509th wealthiest city by per capita income among the Illinois. The median income was $20648, The median income for males was $29955, compared to $14987 for females.
In 2000, 20672 pupils and students, of which 9929 are male and 10743 are female, 25.25% of the total population, are in the education system. Of which, total enrollment of student are in, 1483 nursery or pri school, 1127 kindergarten, 9131 elementary school, 3791 high school and 5140 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 81860 |
| April 2000 Estimate | 82132 |
| July 2000 Estimate | 81926 |
| July 2001 Estimate | 80926 |
| July 2002 Estimate | 79792 |
| July 2003 Estimate | 78770 |
| July 2004 Estimate | 78194 |
| July 2005 Estimate | 77595 |
| July 2006 Estimate | 76993 |
| July 2007 Estimate | 76648 |
| July 2008 Estimate | 76256 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 701 | 782 | 1483 |
| Kindergarten | 560 | 567 | 1127 |
| Elementary school | 4567 | 4564 | 9131 |
| High school | 2003 | 1788 | 3791 |
| College or graduate school | 2098 | 3042 | 5140 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Decatur city, Illinois | $33111 | $42379 | $19009 |
| Macon County, Illinois | $37859 | $47493 | $20067 |
| Illinois, United States | $46590 | $55545 | $23104 |
| United States | $41994 | $50046 | $21587 |