New Lenox township is located in Will County, Illinois. New Lenox township has a 2026 population of 45,729. New Lenox township is currently growing at a rate of 0.91% annually and its population has increased by 4.61% since the most recent census, which recorded a population of 43,713 in 2020.
The median household income in New Lenox township is $133,434 with a poverty rate of 3.9%. The median age in New Lenox township is 38.9 years: 37.8 years for males, and 39.6 years for females. For every 100 females there are 100.3 males.
Data after 2023 is projected based on recent change
Overall: 38.9 years
Female: 39.6 years
Male: 37.8 years
There are 31,956 adults, (6,369 of whom are seniors) in New Lenox township.
Female: 22,065 (49.9%)
Male: 22,134 (50.1%)
The racial composition of New Lenox township includes 88.31% White, and smaller percentages for other race, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 39,033 | 88.31% |
| Two or more races | 3,193 | 7.22% |
| Other race | 904 | 2.05% |
| Asian | 571 | 1.29% |
| Black or African American | 493 | 1.12% |
| Native Hawaiian or Pacific Islander | 5 | 0.01% |
New Lenox township 's average per capita income is $76,933. Household income levels show a median of $133,434. The poverty rate stands at 3.9%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $157,586 | - |
| Families | $148,193 | $163,790 |
| Households | $133,434 | $147,849 |
| Non Families | $70,083 | $76,604 |
Average Income
Median Household Income
Poverty Rate