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 2026 population of 2,233. Richland Grove township is currently declining at a rate of -0.84% annually and its population has decreased by -3.25% since the most recent census, which recorded a population of 2,308 in 2020.

The median household income in Richland Grove township is $106,630 with a poverty rate of 11.65%. The median age in Richland Grove township is 45.6 years: 44.7 years for males, and 48.3 years for females. For every 100 females there are 120.6 males.

2.2K
Total Population
61
Density (mi²)
-19 -0.84%
Growth

Richland Grove township Population

Richland Grove township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,233-19-0.84%
20252,252-19-0.84%
20242,271-19-0.83%
20232,290-4-0.17%
20222,294-7-0.3%
20212,301-7-0.3%
20202,308-9-0.39%
20192,156-8-0.37%
20182,164-5-0.23%
20172,16930.14%
20162,166-31-1.41%
20152,197-20-0.9%
20142,217-25-1.12%
20132,242-22-0.97%
20122,264-20-0.88%
20112,284-16-0.7%
20102,296-2-0.09%

Median Age

Overall: 45.6 years
Female: 48.3 years
Male: 44.7 years

Richland Grove township Adults

There are 1,755 adults, (495 of whom are seniors) in Richland Grove township.

Sex Ratio

Female: 965 (45.3%)
Male: 1,164 (54.7%)

Demographics

The racial composition of Richland Grove township includes 94.46% White, and smaller percentages for Two or more races, other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,01194.46%
Two or more races622.91%
Other race462.16%
Native American100.47%
Race
Population ↓
Percentage (of total)
Other race462.16%
Two or more races221.03%
White80.38%
Race
Population ↓
Percentage (of total)
White2,00394.08%
Two or more races401.88%
Native American100.47%

Richland Grove township Marital Status

Economics and Income Statistics

Richland Grove township 's average per capita income is $53,594. Household income levels show a median of $106,630. The poverty rate stands at 11.65%.

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$116,875-
Families$114,537$127,387
Households$106,630$121,993
Non Families$52,222$103,852

$53,594

Average Income

$106,630

Median Household Income

11.65%

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)