Rio is a village located in Knox County, Illinois. Rio has a 2025 population of 200. Rio is currently declining at a rate of -0.99% annually and its population has decreased by -4.31% since the most recent census, which recorded a population of 209 in 2020.
The average household income in Rio is $79,473 with a poverty rate of 25.24%. The median age in Rio is 36 years: 42.8 years for males, and 31.3 years for females.
Data after 2023 is projected based on recent change
The racial composition of Rio includes 91.43% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.
White
Two or more races
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Race | Population | Percentage (of total) |
|---|---|---|
| White | 192 | 91.43% |
| Two or more races | 15 | 7.14% |
| Black or African American | 3 | 1.43% |
| Native American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Rio's average per capita income is $37,292. Household income levels show a median of $62,917. The poverty rate stands at 25.24%.
Name | Median | Mean |
|---|---|---|
| Married Families | $86,250 | - |
| Families | $64,167 | $84,540 |
| Households | $62,917 | $79,473 |
| Non Families | $47,813 | $48,840 |
Average Income
Median Household Income
Poverty Rate