Jacksonville City, Illinois
As of the census of 2000, there were 18940 people, 7336 households, and 4416 families living in the city. The population density was 1869.1 people per square mile (721.66/kmē), it is 366th most densely populated city in Illinois. There were 8162 housing units at an average density of 805.7 per square mile (311.08/kmē). It has an average household size was 2.26 persons, and the average family size was 2.89 persons. In the city Age distribution was 22% under the age of 18, 14.2% from 18 to 24, 25.1% from 25 to 44, 21.9% from 45 to 64, and 16.9% who were 65 or older. For every 100 males there were 109.9 females. For every 100 males age 18 and over, there were 114.4 females. The median age is 36.9 years, the median age of male residents at 34.9 and the median age of female residents at 39. The racial or ethnic makeup of the city was 90.33% White, 6.66% Black or African American, 0.21% American Indian, 0.69% Asian, 0.01% Native Hawaiian, 1.4% from two or more races and 0.7% Other races.
The median income for a household in the city was $33117, making it the 390th poorest city by median household income among the Illinois. The median income for a family in the city was $45595, it is Illinois's 664th wealthiest city by median family income. The per capita income for the city was $17482, it is Illinois's 703rd wealthiest city by per capita income. The median income was $17202, Males had a median income of $21651 versus $14156 for females.
In 2000, 5408 pupils and students, of which 2698 are male and 2710 are female, 28.55% of the total population, are in the education system. Of which, total enrollment of student are in, 352 nursery or pri school, 234 kindergarten, 1927 elementary school, 1151 high school and 1744 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 18940 |
| April 2000 Estimate | 20000 |
| July 2000 Estimate | 19989 |
| July 2001 Estimate | 19794 |
| July 2002 Estimate | 19612 |
| July 2003 Estimate | 19712 |
| July 2004 Estimate | 19720 |
| July 2005 Estimate | 19532 |
| July 2006 Estimate | 19411 |
| July 2007 Estimate | 19448 |
| July 2008 Estimate | 19415 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 168 | 184 | 352 |
| Kindergarten | 138 | 96 | 234 |
| Elementary school | 1004 | 923 | 1927 |
| High school | 636 | 515 | 1151 |
| College or graduate school | 752 | 992 | 1744 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Jacksonville city, Illinois | $33117 | $45595 | $17482 |
| Morgan County, Illinois | $36933 | $46040 | $18205 |
| Illinois, United States | $46590 | $55545 | $23104 |
| United States | $41994 | $50046 | $21587 |