Sterling is a city located in Whiteside County, Illinois. Sterling has a 2026 population of 14,384. Sterling is currently declining at a rate of -0.52% annually and its population has decreased by -3.05% since the most recent census, which recorded a population of 14,837 in 2020.
The median household income in Sterling is $57,350 with a poverty rate of 15.32%. The median age in Sterling is 42.6 years: 40.1 years for males, and 44.5 years for females. For every 100 females there are 98.8 males.
Data after 2023 is projected based on recent change
Overall: 42.6 years
Female: 44.5 years
Male: 40.1 years
There are 11,709 adults, (3,219 of whom are seniors) in Sterling.
Female: 7,402 (50.3%)
Male: 7,315 (49.7%)
The racial composition of Sterling includes 74.78% White, 6.2% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,006 | 74.78% |
| Two or more races | 2,183 | 14.83% |
| Other race | 912 | 6.2% |
| Black or African American | 348 | 2.36% |
| Asian | 187 | 1.27% |
| Native American | 81 | 0.55% |
Sterling 's average per capita income is $44,183. Household income levels show a median of $57,350. The poverty rate stands at 15.32%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $96,979 | - |
| Families | $76,516 | $97,814 |
| Households | $57,350 | $79,140 |
| Non Families | $35,385 | $49,980 |
Average Income
Median Household Income
Poverty Rate