Sterling is a city located in Whiteside County, Illinois. Sterling has a 2025 population of 14,287. Sterling is currently declining at a rate of -0.76% annually and its population has decreased by -3.72% since the most recent census, which recorded a population of 14,839 in 2020.
The average household income in Sterling is $75,895 with a poverty rate of 16.4%.The median age in Sterling is 42.6 years: 37.6 years for males, and 44.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Sterling includes 79.37% White, 3.75% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 11,643 | 79.37% |
Two or more races | 1,962 | 13.37% |
Other race | 550 | 3.75% |
Black or African American | 243 | 1.66% |
Asian | 193 | 1.32% |
Native American | 79 | 0.54% |
Married
Widowed
Divorced
Separated
Never Married
Sterling's average per capita income is $43,218. Household income levels show a median of $52,647. The poverty rate stands at 16.4%.
Name | Median | Mean |
---|---|---|
Married Families | $94,647 | - |
Families | $70,737 | $97,083 |
Households | $52,647 | $75,895 |
Non Families | $29,956 | $48,263 |
Average Income
Median Household Income
Poverty Rate