Mercer township Flag

Mercer township

County:
Mercer County
County Seat:
No
Area (mi²):
35.424
State:
Illinois

Mercer township is located in Mercer County, Illinois. Mercer township has a 2026 population of 3,769. Mercer township is currently declining at a rate of -1.15% annually and its population has decreased by -4.87% since the most recent census, which recorded a population of 3,962 in 2020.

The median household income in Mercer township is $71,042 with a poverty rate of 12.25%. The median age in Mercer township is 38.6 years: 36.6 years for males, and 42.4 years for females. For every 100 females there are 94.2 males.

3.8K
Total Population
106
Density (mi²)
-44 -1.15%
Growth

Mercer township Population

Mercer township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,769-44-1.15%
20253,813-44-1.14%
20243,857-44-1.13%
20233,901-19-0.48%
20223,920-23-0.58%
20213,943-19-0.48%
20203,962-16-0.4%
20193,842-25-0.65%
20183,867-15-0.39%
20173,882-5-0.13%
20163,887-56-1.42%
20153,943-41-1.03%
20143,984-49-1.21%
20134,033360.9%
20123,997-43-1.06%
20114,040-31-0.76%
20104,065-9-0.22%

Median Age

Overall: 38.6 years
Female: 42.4 years
Male: 36.6 years

Mercer township Adults

There are 3,072 adults, (826 of whom are seniors) in Mercer township.

Sex Ratio

Female: 2,017 (51.5%)
Male: 1,900 (48.5%)

Demographics

The racial composition of Mercer township includes 95.25% White, and smaller percentages for Two or more races, Black or African American, other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,73195.25%
Two or more races972.48%
Black or African American721.84%
Other race150.38%
Native American20.05%
Race
Population ↓
Percentage (of total)
Two or more races681.74%
White511.3%
Other race150.38%
Race
Population ↓
Percentage (of total)
White3,68093.95%
Black or African American721.84%
Two or more races290.74%
Native American20.05%

Mercer township Marital Status

Economics and Income Statistics

Mercer township 's average per capita income is $48,646. Household income levels show a median of $71,042. The poverty rate stands at 12.25%.

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$103,750-
Families$96,414$103,347
Households$71,042$84,697
Non Families$37,917$49,593

$48,646

Average Income

$71,042

Median Household Income

12.25%

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)