Sterling township is located in Whiteside County, Illinois. Sterling township has a 2026 population of 16,985. Sterling township is currently growing at a rate of 0.08% annually but its population has decreased by -1.92% since the most recent census, which recorded a population of 17,317 in 2020.
The median household income in Sterling township is $56,250 with a poverty rate of 14.98%. The median age in Sterling township is 42.6 years: 38.9 years for males, and 44.8 years for females. For every 100 females there are 104.2 males.
Data after 2023 is projected based on recent change
The racial composition of Sterling township includes 80.43% White, 3.63% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.
White (80.43%)
Two or more races (12.32%)
Other race (3.63%)
Black or African American (1.93%)
Asian (1.23%)
Native American (0.46%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,819 | 80.43% |
| Two or more races | 2,116 | 12.32% |
| Other race | 624 | 3.63% |
| Black or African American | 332 | 1.93% |
| Asian | 211 | 1.23% |
| Native American | 79 | 0.46% |
Married
Widowed
Divorced
Separated
Never Married
Sterling township's average per capita income is $44,711. Household income levels show a median of $56,250. The poverty rate stands at 14.98%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,996 | - |
| Families | $76,743 | $103,046 |
| Households | $56,250 | $84,130 |
| Non Families | $32,995 | $51,947 |
Average Income
Median Household Income
Poverty Rate