Mercer Flag

Mercer

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

Mercer is located in Mercer County, Illinois. Mercer has a 2025 population of 3,813 . Mercer is currently declining at a rate of -1.14% annually and its population has decreased by -3.76% since the most recent census, which recorded a population of 3,962 in 2020.

The average household income in Mercer is $79,472 with a poverty rate of 10.19%. The median age in Mercer is 42.3 years: 39 years for males, and 42.7 years for females. For every 100 females there are 96.0 males.

3.8K
Total Population
108
Density (mi²)
-44 -1.14%
Growth

Mercer Population

Mercer Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Mercer includes 95.77% White, and smaller percentages for Two or more races, Black or African American, other race, Native American and multiracial populations.

Population by Race

White (95.77%)

Two or more races (2.03%)

Black or African American (1.88%)

Other race (0.3%)

Native American (0.03%)

Race
Population
Percentage (of total)
White3,77995.77%
Two or more races802.03%
Black or African American741.88%
Other race120.3%
Native American10.03%

Mercer Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mercer's average per capita income is $45,406. Household income levels show a median of $62,462. The poverty rate stands at 10.19%.

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$96,797-
Families$93,083$98,287
Households$62,462$79,472
Non Families$34,219$42,141

$45,406

Average Income

$62,462

Median Household Income

10.19%

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)