Ohio Grove Flag

Ohio Grove

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

Ohio Grove is located in Mercer County, Illinois. Ohio Grove has a 2025 population of 266 . Ohio Grove is currently declining at a rate of -1.12% annually and its population has decreased by -2.21% since the most recent census, which recorded a population of 272 in 2020.

The median household income in Ohio Grove is $195,637 with a poverty rate of 0%. The median age in Ohio Grove is 39.1 years: 37.3 years for males, and 39.9 years for females. For every 100 females there are 145.3 males.

266
Total Population
7
Density (mi²)
-3 -1.12%
Growth

Ohio Grove Population

Ohio Grove Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (100%)

Race
Population
Percentage (of total)
White233100%

Ohio Grove Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Ohio Grove's average per capita income is $46,964. Household income levels show a median of $195,637. 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$195,809$167,491
Married Families$195,809-
Households$195,637$169,459
Non Families--

$46,964

Average Income

$195,637

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)