Viola township Flag

Viola township

County:
Mercer County
County Seat:
No
Area (mi²):
35.364
State:
Illinois

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.

301
Total Population
9
Density (mi²)
-1 -0.33%
Growth

Viola township Population

Viola township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Viola township includes 97.17% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, Two or more races and multiracial populations.

Population by Race

White

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Two or more races

Race
Population
Percentage (of total)
White41297.17%
Other race122.83%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Two or more races00%

Viola township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$84,196-
Families$83,036$112,735
Households$80,781$113,805
Non Families-$94,963

$51,250

Average Income

$80,781

Median Household Income

13.68%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)