Gardner township is located in Grundy County, Illinois. Gardner township has a 2026 population of 4,583. Gardner township is currently declining at a rate of 0% annually and its population has decreased by -1.25% since the most recent census, which recorded a population of 4,641 in 2020.
The median household income in Gardner township is $103,932 with a poverty rate of 1.09%. The median age in Gardner township is 42.3 years: 43.9 years for males, and 37.9 years for females. For every 100 females there are 98.1 males.
Data after 2023 is projected based on recent change
Overall: 42.3 years
Female: 37.9 years
Male: 43.9 years
There are 3,589 adults, (945 of whom are seniors) in Gardner township.
Female: 2,326 (50.5%)
Male: 2,282 (49.5%)
The racial composition of Gardner township includes 85.87% White, and smaller percentages for other race, Black or African American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,957 | 85.87% |
| Two or more races | 412 | 8.94% |
| Other race | 108 | 2.34% |
| Black or African American | 104 | 2.26% |
| Native Hawaiian or Pacific Islander | 25 | 0.54% |
| Asian | 2 | 0.04% |
Gardner township 's average per capita income is $70,718. Household income levels show a median of $103,932. The poverty rate stands at 1.09%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $142,670 | - |
| Families | $128,889 | $158,340 |
| Households | $103,932 | $141,647 |
| Non Families | $70,444 | $98,607 |
Average Income
Median Household Income
Poverty Rate