Walnut Grove township Flag

Walnut Grove township

County:
Knox County
County Seat:
No
Area (mi²):
35.563
State:
Illinois

Walnut Grove township is located in Knox County, Illinois. Walnut Grove township has a 2026 population of 660. Walnut Grove township is currently declining at a rate of 0% annually and its population has decreased by -2.51% since the most recent census, which recorded a population of 677 in 2020.

The median household income in Walnut Grove township is $57,917 with a poverty rate of 8.2%. The median age in Walnut Grove township is 57.4 years: 60.8 years for males, and 51.7 years for females. For every 100 females there are 120.9 males.

660
Total Population
19
Density (mi²)

Walnut Grove township Population

Walnut Grove township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202666000%
202566000%
202466000%
202366000%
2022660-10-1.49%
2021670-7-1.03%
2020677-2-0.29%
2019723-4-0.55%
2018727-9-1.22%
2017736-5-0.67%
2016741-5-0.67%
2015746-9-1.19%
2014755-2-0.26%
2013757-4-0.53%
2012761-4-0.52%
2011765-5-0.65%
201077000%

Median Age

Overall: 57.4 years
Female: 51.7 years
Male: 60.8 years

Walnut Grove township Adults

There are 605 adults, (250 of whom are seniors) in Walnut Grove township.

Sex Ratio

Female: 320 (45.3%)
Male: 387 (54.7%)

Demographics

The racial composition of Walnut Grove township includes 98.16% White, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White69498.16%
Two or more races101.41%
Other race30.42%
Race
Population ↓
Percentage (of total)
Two or more races40.57%
Other race30.42%
Race
Population ↓
Percentage (of total)
White69498.16%
Two or more races60.85%

Walnut Grove township Marital Status

Economics and Income Statistics

Walnut Grove township 's average per capita income is $51,471. Household income levels show a median of $57,917. The poverty rate stands at 8.2%.

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$97,083-
Families$96,250$96,603
Households$57,917$80,249
Non Families$46,230$49,932

$51,471

Average Income

$57,917

Median Household Income

8.2%

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)