Ohio Grove township Flag

Ohio Grove township

County:
Mercer County
County Seat:
No
Area (mi²):
36.804
State:
Illinois

Ohio Grove township is located in Mercer County, Illinois. Ohio Grove township has a 2026 population of 260. Ohio Grove township is currently declining at a rate of -1.14% annually and its population has decreased by -4.41% since the most recent census, which recorded a population of 272 in 2020.

The median household income in Ohio Grove township is $200,000 with a poverty rate of 0%. The median age in Ohio Grove township is 37.9 years: 37.5 years for males, and 39.4 years for females. For every 100 females there are 86.2 males.

260
Total Population
7.1
Density (mi²)
-3 -1.14%
Growth

Ohio Grove township Population

Ohio Grove township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026260-3-1.14%
2025263-3-1.13%
2024266-3-1.12%
2023269-1-0.37%
2022270-1-0.37%
2021271-1-0.37%
2020272-1-0.37%
2019261-1-0.38%
2018262-1-0.38%
201726300%
2016263-3-1.13%
2015266-3-1.12%
2014269-3-1.1%
2013272-2-0.73%
2012274-3-1.08%
2011277-2-0.72%
2010278-1-0.36%

Median Age

Overall: 37.9 years
Female: 39.4 years
Male: 37.5 years

Ohio Grove township Adults

There are 225 adults, (26 of whom are seniors) in Ohio Grove township.

Sex Ratio

Female: 196 (53.7%)
Male: 169 (46.3%)

Demographics

The racial composition of Ohio Grove township includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White365100%
Race
Population ↓
Percentage (of total)
White365100%

Ohio Grove township Marital Status

Economics and Income Statistics

Ohio Grove township 's average per capita income is $84,857. Household income levels show a median of $200,000. The poverty rate stands at 0%.

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
Families$200,200$178,827
Married Families$200,200-
Households$200,000$180,197
Non Families--

$84,857

Average Income

$200,000

Median Household Income

0%

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)