Twin Grove Flag

Twin Grove

County Seat:
No
Area (mi²):
3.964
State:
Illinois

Twin Grove is a CDPlocated in McLean County, Illinois. Twin Grove has a 2026 population of 1,552. Twin Grove is currently declining at a rate of 0% annually and its population has increased by 24.86% since the most recent census, which recorded a population of 1,243 in 2020.

The median household income in Twin Grove is $116,250 with a poverty rate of 4.21%.The median age in Twin Grove is 49.4 years: 50.2 years for males, and 46.9 years for females. For every 100 females there are 107.7 males.

1.6K
Total Population
392
Density (mi²)

Twin Grove Population

Twin Grove Population

Year↓
Population
Growth
Annual Change
20261,55200%
20251,552-1-0.06%
20231,55414210.06%
20221,412-94-6.24%
20211,50626321.16%
20201,243-158-11.28%
20191,401-250-15.14%
20181,651-168-9.24%
20171,819-110-5.7%
20161,9291407.83%
20151,789-14-0.78%
20141,80328318.62%
20131,520161.06%
20121,504936.59%
20111,411-153-9.78%

Median Age

Overall:49.4 years
Female:46.9 years
Male:50.2 years

Twin Grove Adults

There are 1,142 adults, (397 of whom are seniors) in Twin Grove.

Sex Ratio

Female: 702 (48.1%)
Male: 756 (51.9%)

Demographics

The racial composition of Twin Grove includes 89.16% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population↓
Percentage (of total)
White1,30089.16%
Two or more races976.65%
Black or African American302.06%
Other race221.51%
Asian70.48%
Native American20.14%
Race
Population↓
Percentage (of total)
Two or more races281.92%
Other race221.51%
Race
Population↓
Percentage (of total)
White1,30089.16%
Two or more races694.73%
Black or African American302.06%
Asian70.48%
Native American20.14%

Twin Grove Marital Status

Economics and Income Statistics

Twin Grove's average per capita income is $65,750. Household income levels show a median of $116,250. The poverty rate stands at 4.21%.

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$126,625-
Families$119,722$225,481
Households$116,250$210,541
Non Families-$102,881

$65,750

Average Income

$116,250

Median Household Income

4.21%

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)