Grundy County, Illinois
As of the census of 2000, there were 37535 residents, 14293 households, and 10278 families in the county. The population density was 89.4 people per square mile (34.52/kmē), making its Illinois's 27th most densely populated county. There were 15040 housing units at an average density of 35.8 per square mile (13.82/kmē). The average household size was 2.6 and the average family size was 3.09. In the Grundy County, 26.6% of the population was under the age of 18, 8.3% were 18 to 24, 30.2% were 25 to 44, 22.5% were 45 to 64, and 12.3% who were 65 or older. For every 100 females there were 98.9 males. For every 100 females age 18 and over, there were 97.4 males. In July 2008, its estimated population was 47958, The racial makeup of the county was 46140 White, 966 Black or African American, 121 American Indian, 392 Asian, 8 Native Hawaiian, and 331 from two or more races.
The median income for a household in the county was $51719, it is Illinois's ninth wealthiest county by median household income. The median income for a family in the county was $60862, it is Illinois's ninth wealthiest county by median family income. The per capita income for the county was $22591, making its Illinois's tenth highest county by per capita income.
In 2000, 10016 pupils and students, of which 5013 are male and 5003 are female, 26.68% of the total population, are in the education system. Of which, total enrollment of student are in, 620 nursery or pri school, 557 kindergarten, 4707 elementary school, 2422 high school and 1710 College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Braceville Village | Grundy County | 1.33 | 1.32 | 0.01 | 792 | 601.8 | 17586 | 47059 |
| 2 | Carbon Hill Village | Grundy County | 0.18 | 0.18 | 0 | 392 | 2226.9 | 22228 | 53750 |
| 3 | Channahon Village | Grundy County, Will County | 7.88 | 7.21 | 0.67 | 7344 | 1019 | 22867 | 71991 |
| 4 | Coal City Village | Grundy County | 2.42 | 2.42 | 0 | 4797 | 1980.1 | 23662 | 51921 |
| 5 | Diamond Village | Grundy County | 1.58 | 1.58 | 0 | 1393 | 880.3 | 20223 | 43750 |
| 6 | East Brooklyn Village | Grundy County | 0.05 | 0.05 | 0 | 123 | 2369.4 | 21470 | 40000 |
| 7 | Gardner Village | Grundy County | 1.05 | 1.04 | 0.01 | 1406 | 1351.4 | 18995 | 42500 |
| 8 | Godley Village | Grundy County | 1.09 | 1.09 | 0 | 594 | 547 | 14238 | 42857 |
| 9 | Kinsman Village | Grundy County | 0.07 | 0.07 | 0 | 109 | 1638 | 20011 | 42083 |
| 10 | Mazon Village | Grundy County | 0.6 | 0.6 | 0 | 904 | 1510.7 | 21890 | 55250 |
| 11 | Minooka Village | Grundy County | 4.33 | 4.26 | 0.07 | 3971 | 931.5 | 26054 | 75249 |
| 12 | Morris City | Grundy County | 7.16 | 6.88 | 0.28 | 11928 | 1734 | 22256 | 44739 |
| 13 | South Wilmington Village | Grundy County | 0.57 | 0.57 | 0 | 621 | 1089.8 | 19078 | 39688 |
| 14 | Verona Village | Grundy County | 0.15 | 0.15 | 0 | 257 | 1762.7 | 16387 | 46094 |
| Year | Population |
|---|---|
| April 2000 census | 37535 |
| April 2000 Estimate | 37535 |
| July 2000 Estimate | 37675 |
| July 2001 Estimate | 38191 |
| July 2002 Estimate | 38622 |
| July 2003 Estimate | 39417 |
| July 2004 Estimate | 40870 |
| July 2005 Estimate | 43459 |
| July 2006 Estimate | 45512 |
| July 2007 Estimate | 46987 |
| July 2008 Estimate | 47958 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 348 | 272 | 620 |
| Kindergarten | 263 | 294 | 557 |
| Elementary school | 2368 | 2339 | 4707 |
| High school | 1256 | 1166 | 2422 |
| College or graduate school | 778 | 932 | 1710 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Grundy County, Illinois | $51719 | $60862 | $22591 |
| Illinois, United States | $46590 | $55545 | $23104 |
| United States | $41994 | $50046 | $21587 |