Richland Grove township Flag

Richland Grove township

County:
Mercer County
County Seat:
No
Area (mi²):
36.379
State:
Illinois

Richland Grove township is located in Mercer County, Illinois. Richland Grove township has a 2025 population of 2,293. Richland Grove township is currently declining at a rate of -0.13% annually and its population has decreased by -0.82% since the most recent census, which recorded a population of 2,312 in 2020.

The average household income in Richland Grove township is $108,382 with a poverty rate of 9.54%.The median age in Richland Grove township is 47.5 years: 45.7 years for males, and 48.7 years for females.

2.3K
Total Population
63
Density (mi²)
-3 -0.13%
Growth

Richland Grove township Population

Richland Grove township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Richland Grove township includes 94.78% White, and smaller percentages for other race, Two or more races, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,99894.78%
Other race522.47%
Two or more races472.23%
Native American110.52%

Richland Grove township Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Richland Grove township's average per capita income is $55,644. Household income levels show a median of $102,788. The poverty rate stands at 9.54%.

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$121,918-
Families$120,717$123,333
Households$102,788$108,382
Non Families$47,333$59,231

$55,644

Average Income

$102,788

Median Household Income

9.54%

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)