Grisham township Flag

Grisham township

County Seat:
No
Area (mi²):
24.362
State:
Illinois

Grisham township is located in Montgomery County, Illinois. Grisham township has a 2026 population of 609. Grisham township is currently declining at a rate of -0.49% annually and its population has decreased by -2.72% since the most recent census, which recorded a population of 626 in 2020.

The median household income in Grisham township is $82,554 with a poverty rate of 15.74%. The median age in Grisham township is 53 years: 57.4 years for males, and 52.6 years for females. For every 100 females there are 103.3 males.

609
Total Population
25
Density (mi²)
-3 -0.49%
Growth

Grisham township Population

Grisham township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026609-3-0.49%
2025612-3-0.49%
2024615-3-0.49%
2023618-6-0.96%
2022624-1-0.16%
2021625-1-0.16%
2020626-2-0.32%
2019590-7-1.17%
2018597-1-0.17%
2017598-6-0.99%
2016604-3-0.49%
2015607-4-0.65%
2014611-8-1.29%
2013619-1-0.16%
2012620-3-0.48%
2011623-6-0.95%
201062700%

Median Age

Overall: 53 years
Female: 52.6 years
Male: 57.4 years

Grisham township Adults

There are 468 adults, (120 of whom are seniors) in Grisham township.

Sex Ratio

Female: 275 (49.2%)
Male: 284 (50.8%)

Demographics

The racial composition of Grisham township includes 87.3% White, and smaller percentages for Black or African American, Native American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White48887.3%
Two or more races519.12%
Black or African American111.97%
Native American81.43%
Other race10.18%
Race
Population ↓
Percentage (of total)
Two or more races417.33%
Other race10.18%
Race
Population ↓
Percentage (of total)
White48887.3%
Black or African American111.97%
Two or more races101.79%
Native American81.43%

Grisham township Marital Status

Economics and Income Statistics

Grisham township 's average per capita income is $60,938. Household income levels show a median of $82,554. The poverty rate stands at 15.74%.

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$108,523-
Families$103,333$98,014
Households$82,554$80,045
Non Families$23,625$34,949

$60,938

Average Income

$82,554

Median Household Income

15.74%

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)