Viola is a village located in Mercer County, Illinois. Viola has a 2025 population of 837 . Viola is currently declining at a rate of -0.71% annually and its population has decreased by -3.35% since the most recent census, which recorded a population of 866 in 2020.
The average household income in Viola is $82,992 with a poverty rate of 8.63%. The median age in Viola is 46.1 years: 41.9 years for males, and 46.4 years for females. For every 100 females there are 105.2 males.
Data after 2023 is projected based on recent change
The racial composition of Viola includes 91.72% White, and smaller percentages for and multiracial populations.
White (91.72%)
Two or more races (8.28%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 864 | 91.72% |
| Two or more races | 78 | 8.28% |
Married
Widowed
Divorced
Separated
Never Married
Viola's average per capita income is $42,500. Household income levels show a median of $67,500. The poverty rate stands at 8.63%.
Name | Median | Mean |
|---|---|---|
| Married Families | $101,786 | - |
| Families | $77,083 | $93,222 |
| Households | $67,500 | $82,992 |
| Non Families | $48,333 | $55,259 |
Average Income
Median Household Income
Poverty Rate