Viola township is located in Mercer County, Illinois. Viola township has a 2025 population of 301. Viola township is currently declining at a rate of -0.33% annually and its population has decreased by -1.31% since the most recent census, which recorded a population of 305 in 2020.
The average household income in Viola township is $113,805 with a poverty rate of 13.68%.The median age in Viola township is 29 years: 29.3 years for males, and 26.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Viola township includes 97.17% White, and smaller percentages for other race and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 412 | 97.17% |
Other race | 12 | 2.83% |
Married
Widowed
Divorced
Separated
Never Married
Viola township's average per capita income is $51,250. Household income levels show a median of $80,781. The poverty rate stands at 13.68%.
Name | Median | Mean |
---|---|---|
Married Families | $84,196 | - |
Families | $83,036 | $112,735 |
Households | $80,781 | $113,805 |
Non Families | - | $94,963 |
Average Income
Median Household Income
Poverty Rate