Walnut Grove township Flag

Walnut Grove township

County Seat:
No
Area (mi²):
36.266
State:
Illinois

Walnut Grove township is located in McDonough County, Illinois. Walnut Grove township has a 2025 population of 461. Walnut Grove township is currently declining at a rate of 0% annually and its population has decreased by -0.65% since the most recent census, which recorded a population of 464 in 2020.

The average household income in Walnut Grove township is $89,864 with a poverty rate of 9.27%. The median age in Walnut Grove township is 45.6 years: 47.2 years for males, and 45.4 years for females.

461
Total Population
13
Density (mi²)
0 0%
Growth

Walnut Grove township Population

Walnut Grove township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Walnut Grove township includes 92.31% White, 7.1% Black or African American, and smaller percentages for Two or more races, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White46892.31%
Black or African American367.1%
Two or more races30.59%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

Walnut Grove township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Walnut Grove township's average per capita income is $39,808. Household income levels show a median of $62,138. The poverty rate stands at 9.27%.

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$92,260-
Families$91,587$101,191
Households$62,138$89,864
Non Families$60,526$73,630

$39,808

Average Income

$62,138

Median Household Income

9.27%

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)