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 2026 population of 300. Viola township is currently declining at a rate of -0.33% annually and its population has decreased by -1.64% since the most recent census, which recorded a population of 305 in 2020.

The median household income in Viola township is $83,875 with a poverty rate of 0.96%. The median age in Viola township is 30 years: 42 years for males, and 30 years for females. For every 100 females there are 76.3 males.

300
Total Population
8.5
Density (mi²)
-1 -0.33%
Growth

Viola township Population

Viola township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026300-1-0.33%
2025301-1-0.33%
2024302-1-0.33%
2023303-3-0.98%
202230600%
202130610.33%
2020305-1-0.33%
2019330-2-0.6%
2018332-3-0.9%
201733500%
2016335-1-0.3%
2015336-1-0.3%
2014337-2-0.59%
2013339-2-0.59%
2012341-5-1.45%
2011346-5-1.42%
2010350-1-0.28%

Median Age

Overall: 30 years
Female: 30 years
Male: 42 years

Viola township Adults

There are 214 adults, (77 of whom are seniors) in Viola township.

Sex Ratio

Female: 177 (56.7%)
Male: 135 (43.3%)

Demographics

The racial composition of Viola township includes 93.91% White, 6.09% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White29393.91%
Other race196.09%
Race
Population ↓
Percentage (of total)
White206.41%
Other race196.09%
Race
Population ↓
Percentage (of total)
White27387.5%

Viola township Marital Status

Economics and Income Statistics

Viola township 's average per capita income is $43,750. Household income levels show a median of $83,875. The poverty rate stands at 0.96%.

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$86,974-
Families$85,592$140,096
Households$83,875$127,340
Non Families-$104,562

$43,750

Average Income

$83,875

Median Household Income

0.96%

Poverty Rate

Nearby Cities

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)