Denison township Flag

Denison township

County:
Lawrence County
County Seat:
No
Area (mi²):
57.901
State:
Illinois

Denison township is located in Lawrence County, Illinois. Denison township has a 2026 population of 1,213. Denison township is currently declining at a rate of -1.7% annually and its population has decreased by -10.55% since the most recent census, which recorded a population of 1,356 in 2020.

The median household income in Denison township is $70,833 with a poverty rate of 4.83%. The median age in Denison township is 35 years: 29.2 years for males, and 40.5 years for females. For every 100 females there are 100.5 males.

1.2K
Total Population
21
Density (mi²)
-21 -1.7%
Growth

Denison township Population

Denison township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,213-21-1.7%
20251,234-21-1.67%
20241,255-21-1.65%
20231,276-19-1.47%
20221,295-44-3.29%
20211,339-17-1.25%
20201,356-5-0.37%
20191,391-23-1.63%
20181,414-30-2.08%
20171,444-24-1.63%
20161,468-24-1.61%
20151,492-14-0.93%
20141,506-23-1.5%
20131,529-17-1.1%
20121,546-14-0.9%
20111,56020.13%
20101,56240.26%

Median Age

Overall: 35 years
Female: 40.5 years
Male: 29.2 years

Denison township Adults

There are 1,244 adults, (273 of whom are seniors) in Denison township.

Sex Ratio

Female: 806 (49.9%)
Male: 810 (50.1%)

Demographics

The racial composition of Denison township includes 85.71% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,38585.71%
Two or more races23114.29%
Race
Population ↓
Percentage (of total)
White1,38585.71%
Two or more races23114.29%

Denison township Marital Status

Economics and Income Statistics

Denison township 's average per capita income is $41,941. Household income levels show a median of $70,833. The poverty rate stands at 4.83%.

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$84,063-
Families$75,577$96,601
Households$70,833$87,503
Non Families$45,000$51,562

$41,941

Average Income

$70,833

Median Household Income

4.83%

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)